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{{#seo:
{{#seo:
|title=Rolex GMT-Master 16750 (1979–1988), Production & Dial Guide | Rolexopedia
|title=Rolex GMT-Master 16750 (1979–1988), Production & Dial Guide | Rolexopedia
|description=The 16750 is the first five-digit GMT-Master. Caliber 3075 brought 28,800 vph and quick-set date; the older caller-GMT logic stayed. 1981–1988, acrylic crystal, 100m, Pepsi or all-black bezel.
|description=The 16750 is the first five-digit GMT-Master. Caliber 3075 brought a quick-set date and 28,800 vph while the linked-hand GMT remained. Produced around 1980–1988 with an acrylic crystal and aluminium bezel.
|keywords=Rolex, 16750, GMT-Master, caliber 3075, caller GMT, spider dial
|keywords=Rolex, 16750, GMT-Master, caliber 3075, caller GMT, spider dial
|image=Ref 16750 hero.webp
|image=Ref 16750 hero.webp
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</div>
</div>


The 16750 is the first five-digit GMT-Master and the bridge between the 1675 and the 16760 / 16710 generation. Caliber 3075 raised the beat rate from 19,800 to 28,800 vph and added a quick-set date, but the older caller-GMT mechanic stayed. The 24-hour hand still tracks the local hour hand, and the second time zone still reads off the rotating bezel. The acrylic crystal stayed too. What results is a watch that sits mechanically halfway between the 1675 it replaced and the sapphire-era GMTs that followed.
The 16750 is the first five-digit GMT-Master and the last steel GMT-Master before the 16700. Caliber 3075 raised the beat rate to 28,800 vph and added a quick-set date, but the linked-hand caller-GMT remained: the 24-hour hand follows the local hour hand and the bezel sets the second zone. The steel reference kept the acrylic crystal while the gold 16758 moved to sapphire.


<span id="core-facts"></span>
<span id="core-facts"></span>
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|-
|-
| production
| production
| 1981 to 1988 (dominant editorial reading); 1979/1980 launch surfaces in some specialist sources. Earliest primary anchor in major-house lots is a documented 27 April 1981 retailer receipt
| approximately 1980 to 1988; sources differ on whether the first examples date to 1979, 1980, or 1981
|-
|-
| total examples
| total examples
| no published Rolex production figure. Run length is eight years against the 1675's twenty-one, the 16750 is meaningfully scarcer
| no published Rolex production figure
|-
|-
| case
| case
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|-
|-
| dial generations
| dial generations
| matte (early, ~1981–1985) → glossy lacquer with applied white-gold-circled tritium indices (~1986 onward); the transition is overlapping rather than a hard cutover, with 1984 examples documented in both finishes
| matte early dials without white-gold surrounds → glossy lacquer with applied white-gold-circled tritium indices, generally associated with the mid-1980s; dated examples show overlap
|-
|-
| bezel
| bezel
| bidirectional 24-hour aluminium insert in Pepsi or all-black. Coke is a 16760 trait, not a 16750 option
| bidirectional 24-hour aluminium insert; factory examples are documented with Pepsi or all-black inserts. The black-and-red Coke insert is associated with the 16760
|-
|-
| bracelet
| bracelet
| 78360 Oyster with 580 endlinks period-correct; Jubilee 62510H with 501 endlinks optional
| 78360 Oyster with 580 endlinks period-correct; Jubilee 62510H with 501 endlinks optional
|-
|-
| successor
| related next references
| [[Reference:16700|16700]] caller GMT (1988–1999) and the [[Reference:16760|16760]] flyer GMT-Master II (1983–1988) running concurrently after 1983
| [[Reference:16700|16700]] caller GMT (1988–1999) and the concurrently produced [[Reference:16760|16760]] flyer GMT-Master II (1983–1988)
|}
|}


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== Where it sits in the line ==
== Where it sits in the line ==


The 16750 follows the long 1675 run and is the first GMT-Master with a five-digit reference number. It runs for eight years and ends in 1988, the same year the [[Reference:16760|16760]] retires. The 16760 brings the independent local hour hand and the flyer-GMT mechanic; the 16750 keeps the older linked-hand caller mechanic that defines the original GMT-Master line. The 16700 takes the caller mechanic forward into 1999 with the sapphire crystal and the slightly different caliber 3175.
The 16750 follows the long 1675 run and is the first GMT-Master with a five-digit reference number. It ends in 1988, when the [[Reference:16700|16700]] takes the caller GMT forward with a sapphire crystal and caliber 3175. The [[Reference:16760|16760]] was a parallel GMT-Master II from 1983 to 1988; it introduced the independent local-hour hand and the flyer-GMT mechanic while the 16750 kept the linked-hand layout.


Quickset date, higher beat rate, and hacking seconds all make the 16750 more modern than a 1675, but mechanically it still behaves like a GMT-Master, one generation short of the GMT-Master II's flyer hand. The acrylic crystal and the 40mm crown-guard case look modern next to the 1675 and read as vintage next to the sapphire-and-flyer 16710 that follows the 16760.
The quick-set date, higher beat rate, and hacking seconds update the 1675 design without changing its caller-GMT operation. The acrylic crystal and 40mm crown-guard case separate the steel 16750 from the sapphire case used on the gold 16758 and later references.


<span id="production-outline"></span>
<span id="production-outline"></span>
== Production outline ==
== Production outline ==


Production ran approximately 1981 to 1988 on the dominant editorial reading, though the launch year is contested and some specialist sources push it back to 1979 or 1980. The earliest primary-document anchor is a 27 April 1981 retailer receipt, which came with the full-set example Bonhams sold in 2024. Catalogued examples dated 1980 do surface in the auction record, among them Sotheby's 2020 lot 109, so the earlier reading is not unsupported. The bulk of surviving watches date 1981 onward.
Production is usually dated approximately 1980 to 1988, although sources differ on whether the first examples belong to 1979, 1980, or 1981. Sotheby's dates the introduction of caliber 3075 to 1980; Bonhams documents a 27 April 1981 retailer receipt, and Sotheby's has catalogued an example dated circa 1980. Those records establish the period without proving a single first-serial boundary.


No published Rolex production figure surfaces in the documented sources. Eight years of production against the 1675's twenty-one implies a much smaller volume, and collectors describe the 16750 as "particularly scarce" alongside its predecessor. Matte dials cover only the first four or five years of that run.
No published Rolex production figure surfaces in the documented sources. Matte dials are generally associated with the earlier part of the run, while glossy white-gold-surround dials appear by the mid-1980s; service replacements and overlapping dated examples make a strict year cut unsafe.


<span id="movement-notes"></span>
<span id="movement-notes"></span>
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[[File:Ref 16750 movement.webp|thumb|right|280px|alt=Caliber 3075 in 16750|Caliber 3075 in 16750]]
[[File:Ref 16750 movement.webp|thumb|right|280px|alt=Caliber 3075 in 16750|Caliber 3075 in 16750]]


Caliber 3075 is the main mechanical change over the 1575GMT it replaces. It carries 27 jewels, beats at 28,800 vph against the old 19,800, holds a 48-hour reserve, and adds hacking seconds and a quickset date through the crown, all on a free-sprung Microstella balance with a Breguet overcoil. The movement measures 28.5mm across and 6.2mm thick. Some movement registries quote a reserve nearer 50 hours; 48 is the more conservative figure.
Caliber 3075 is the main mechanical change over the 1575GMT. Reference guides and auction descriptions give 27 jewels, 28,800 vph, hacking seconds, and a quick-set date. Published movement tables commonly quote a reserve around 48 hours, while some registries round it nearer 50; the page does not treat either figure as a watch-specific test. The listed 28.5mm diameter and 6.2mm thickness are movement specifications, not case measurements.


The hand-setting stack also changed from the 1575GMT. On the 3075 the order reads hour, GMT, minute, second from the centre post outward. Despite the higher beat rate and the quickset date, the 3075 retains the linked-hand caller-GMT mechanic. The 24-hour hand cannot be set independent of the local hour hand on the 16750. That step waited for the 3085 in the 16760 (1983) and the 3185 in the 16710 (1989).
The hand-setting stack also changed from the 1575GMT: the 24-hour hand sits above the hour hand, followed by the minute and seconds hands. The 3075 retains the linked-hand caller-GMT mechanic, so the 24-hour hand cannot be set independently on a 16750. The independent local-hour hand arrived with caliber 3085 in the 16760 and continued with caliber 3185 in the 16710.


The 3075 gives way to the 3175 in the 16700 from 1988 to 1999, a one-reference caliber that keeps the caller mechanic with minor revisions. Service-era swaps from 3075 to 3175 do circulate. The two do not behave identically across hand-setting and date-setting directions, so a 3175 in a 16750 case reads as a service replacement.
The 3075 gives way to caliber 3175 in the 16700 from 1988 to 1999. A 3175 in a 16750 case is a service or replacement movement unless the watch has documentation explaining the change; movement and case numbers need to be checked together.


<span id="dial-map"></span>
<span id="dial-map"></span>
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[[File:Ref 16750 matte-pepsi.webp|thumb|right|280px|alt=Matte-dial Pepsi 16750|Matte-dial Pepsi 16750]]
[[File:Ref 16750 matte-pepsi.webp|thumb|right|280px|alt=Matte-dial Pepsi 16750|Matte-dial Pepsi 16750]]


The matte dial is a black ground with painted indices and no white-gold surrounds, carrying tritium across the whole branch. It is the closest visual link to the late-1675 dial, which is why the matte 16750 is the watch most often misread at a glance as a late 1675. The caliber 3075's hand-stack order and the interior case-back reference number are the cleanest tells.
The matte dial is a black ground with painted indices and no white-gold surrounds. It carries the late-1675 look, but a dial alone does not authenticate the reference. The caliber 3075's hand stack, the case reference and serial, and the crystal should be checked together.


<span id="glossy-white-gold-surround"></span>
<span id="glossy-white-gold-surround"></span>
=== Glossy white-gold-surround (~1986 onward) ===
=== Glossy white-gold-surround (~1986 onward) ===


Glossy black lacquer carries applied indices in white-gold surrounds, the format that runs forward into the 16760 and 16710. Tritium continues across this generation, and the lume colour matches the matte production, ageing along the same mid-1980s pattern.
Glossy black lacquer carries applied indices in white-gold surrounds, a layout also used on the 16760 and 16710. The period examples in the cited sources use tritium, but service dials and later replacements can change the lume material.


<span id="spider-dial"></span>
<span id="spider-dial"></span>
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[[File:Ref 16750 spider-dial.webp|thumb|right|280px|alt=Glossy spider dial 16750|Glossy spider dial 16750]]
[[File:Ref 16750 spider-dial.webp|thumb|right|280px|alt=Glossy spider dial 16750|Glossy spider dial 16750]]


Spider crazing is not a factory variant. Hairline cracks form in the glossy lacquer over time, a defect in the formulation Rolex used for the white-gold-surround dials before later reformulations. Affected dials were often replaced under service, so survivors with the crazing intact carry a premium for original-dial integrity. Collectors split on what the pattern is, some reading it as patina and some as damage.
Spider is collector shorthand for the hairline cracking seen in some glossy lacquer dials. It is a condition of the dial surface, not a separate Rolex reference or documented factory option. A cracked dial may be original, refinished, or later replaced; the pattern needs to be assessed with the printing, lume, hands, case, and service history.


<span id="no-date-dial"></span>
<span id="no-date-dial"></span>
=== No-Date wording variant ===
=== No-Date wording variant ===


A small group of early glossy dials omit the word "Date" above "GMT-Master" at six o'clock. It is a documented sub-variant confined to the early glossy branch.
A small group of early glossy dials are documented without the word "Date" above "GMT-Master" at six o'clock. The omission is a useful dial variant to record, but its exact production boundary is not established.


<span id="case-bezel-crystal-and-crown"></span>
<span id="case-bezel-crystal-and-crown"></span>
== Case, bezel, crystal, and crown ==
== Case, bezel, crystal, and crown ==


The case is the standard 40mm Oyster with crown guards. The acrylic crystal, with its magnifying Cyclops over the date, is the cleanest single-glance separator from the sapphire-era GMTs that follow. The 100m water-resistance rating carries the 1675 specification forward unchanged.
The case is the standard 40mm Oyster with crown guards. The acrylic crystal, with its magnifying Cyclops over the date, separates the steel 16750 from the sapphire-era GMTs that follow. Water resistance was revised to 100m, twice the 50m rating generally given for the four-digit GMT-Master references.


The bezel is a bidirectional 24-hour aluminium insert. Pepsi and all-black are the only factory configurations on the steel 16750. Coke (red and black) is a 16760 trait and not a documented 16750 option. Insert-back colour is not a clean dating tell on its own; early matte watches sometimes carry red-back inserts, later examples more often blue-back or service-era replacements.
The bezel is a bidirectional 24-hour aluminium insert. Published factory examples use Pepsi or all-black inserts. The black-and-red Coke insert is associated with the 16760; a Coke insert on a 16750 needs fitment and service evidence. Insert-back colour is not a dating rule on its own because replacements circulate.


<span id="bracelets-end-links-clasps-and-packaging"></span>
<span id="bracelets-end-links-clasps-and-packaging"></span>
== Bracelets, end links, clasps, and packaging notes ==
== Bracelets, end links, clasps, and packaging notes ==


Period-correct delivery is the 78360 Oyster with 580 endlinks. Jubilee 62510H with 501 endlinks is the optional configuration. Earlier 580 endlinks are shared across the Submariner 5512 / 5513 / 1680 / 16800, Explorer 1016, and GMT-Master 1675 / 16750. Bracelet originality on a 16750 takes case-and-clasp-date verification; the endlink stamp alone does not settle it.
Published period examples appear on the 78360 Oyster with 580 endlinks and on Jubilee 62510-family bracelets with 501 endlinks. A bracelet code dates the bracelet, not the watch head; originality needs case, clasp, endlink, and service-history checks.


Surviving examples wear both options. Matte Pepsi watches turn up on Jubilee more often than the glossy / black-bezel side; black and glossy-spider examples lean Oyster. Fitment as found at auction is a poor proxy for original delivery, since the 1980s service window covers most surviving 16750s and bracelet swaps were common.
Both bracelet families occur in surviving examples. Auction fitment is a poor proxy for original delivery because service and bracelet swaps were common during the reference's life.


<span id="special-branches"></span>
<span id="special-branches"></span>
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[[File:Ref 16750 government-oman-police.webp|thumb|right|220px|alt=16750 with Royal Oman Police emblem dial|16750 with Royal Oman Police emblem at 6 o'clock, one of four documented examples in the same 7.6M serial batch]]
[[File:Ref 16750 government-oman-police.webp|thumb|right|220px|alt=16750 with Royal Oman Police emblem dial|16750 with Royal Oman Police emblem at 6 o'clock, one of four documented examples in the same 7.6M serial batch]]


A small Sultanate-of-Oman commission carries the Khanjar emblem at six o'clock above the depth wording, and it is one of the rarest 16750 sub-types in the auction record. A Bonhams 2021 New Bond Street lot (Bonhams 26687/68, c.1983) carried an estimate of GBP 70,000–100,000, and the catalog noted that a comparable example sold the prior year had a serial number 53 positions away. Phillips Hong Kong XI 2020 lot 1009 adds a parallel anchor. Four 16750 examples are known carrying the Royal Oman Police emblem in white print, all sharing 7.6 million serials and all missing the inside-caseback serial repeat, which points to a single batch produced concurrently for one commission. Khanjar 16750s sit in their own collector tier above the standard market.
A small group of 16750 dials carries the white Royal Oman Police emblem at six o'clock. Phillips describes four known examples, all in the 7.6 million serial range and reportedly from one batch without the repeated serial inside the caseback. Those are auction-house and specialist observations, not a Rolex production statement. The Bonhams and Phillips lots document the branch; they do not establish a complete population or a universal premium.


<span id="black-bezel-service-example"></span>
<span id="black-bezel-service-example"></span>
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[[File:Ref 16750 black-service.webp|thumb|right|280px|alt=Black-bezel service 16750|Black-bezel service 16750]]
[[File:Ref 16750 black-service.webp|thumb|right|280px|alt=Black-bezel service 16750|Black-bezel service 16750]]
Service-replacement dials surface frequently, and the "Swiss-only" dial is the most common pattern: a later Luminova-or-tritium dial carrying only "Swiss" at the bottom in place of the original "T SWISS T" tritium wording. Service-era movement swaps from caliber 3075 to caliber 3175 also circulate.
Service-replacement dials occur, including later dials marked only "Swiss" in place of the original "T SWISS T" wording. Service-era movement swaps from caliber 3075 to caliber 3175 also occur; the case, movement, dial, and service records should be read together.


A 16750 case-back carrying the reference and case number is original. Mid-case serials and movement numbers far apart in production date suggest one or the other has been replaced. A Bonhams Hong Kong 2019 lot with case R672618 and movement number 1,828,172 sits well outside the period 0,3xx,xxx range for 3075 movement numbers and reads as a service-replaced example.
Caseback and mid-case markings help establish what is present, but neither proves that every component is original. A wide gap between the case serial and movement number is a lead to investigate. The Bonhams Hong Kong 2019 lot with case R672618 and movement number 1,828,172 is an example of an auction-catalogued service-replacement movement, not a universal dating rule.


<span id="glossy-spider-no-date"></span>
<span id="glossy-spider-no-date"></span>
=== Glossy spider with no-Date wording ===
=== Glossy spider with no-Date wording ===


The combination of glossy white-gold-surround indices, omitted "Date" wording, and web-like lacquer cracking on the same dial is the strongest single signal of an original late-run 16750 dial. Refinishes and service dials rarely carry any of those three traits in isolation, and almost never all three at once.
The combination of glossy white-gold-surround indices, omitted "Date" wording, and lacquer cracking can be a useful lead when assessing a late-run 16750 dial. It is not proof of originality; refinishing, replacement parts, and later service work still need to be ruled out.


<span id="historical-market-and-auction-record"></span>
<span id="historical-market-and-auction-record"></span>
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|}
|}


The 16750 trades as a usable late-vintage GMT-Master. Standard examples cluster GBP 8,000–15,000 / CHF 9,000–18,000 across the major houses depending on dial generation, lume status, and paperwork. Matte Pepsi examples in clean original condition carry the transitional-watch premium. Glossy spider dials with their dial-side originality intact sit at the top of the standard market. The Omani Police Khanjar variant sits above all of it.
The auction record shows a wide spread by condition, dial, provenance, and whether a lot includes its original accessories. The table is a record of individual lots, not a price guide for every 16750. Khanjar examples should be compared only with other documented government-logo dials, since a single estimate or result does not establish a general market tier.


== Related references ==
== Related references ==
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* [https://monochrome-watches.com/history-rolex-gmt-master-and-gmt-master-ii-1955-2024-iconic-traveller-watch-in-depth-review/ In-Depth: The History of the Rolex GMT-Master and GMT-Master II] (Monochrome)
* [https://monochrome-watches.com/history-rolex-gmt-master-and-gmt-master-ii-1955-2024-iconic-traveller-watch-in-depth-review/ In-Depth: The History of the Rolex GMT-Master and GMT-Master II] (Monochrome)
* [https://www.sothebys.com/en/articles/the-rolex-gmt-master-the-complete-collectors-guide The Rolex GMT-Master: A Complete Collector's Guide] (Sotheby's)
* [https://www.sothebys.com/en/articles/the-rolex-gmt-master-the-complete-collectors-guide The Rolex GMT-Master: A Complete Collector's Guide] (Sotheby's)
* [https://www.phillips.com/detail/rolex/148174 Rolex GMT-Master ref. 16750 with Royal Oman Police emblem, circa 1983], Phillips
* [https://www.hodinkee.com/articles/rolex-gmt-master-reference-points Reference Points: Understanding the Rolex GMT-Master], Hodinkee
* [https://www.41watch.com/en/journal/historical-reviews-of-iconic-watches/history-of-the-legendary-rolex-gmt-master History of the Legendary Rolex GMT-Master] (41Watch)
* [https://www.41watch.com/en/journal/historical-reviews-of-iconic-watches/history-of-the-legendary-rolex-gmt-master History of the Legendary Rolex GMT-Master] (41Watch)
* [https://millenarywatches.com/rolex-gmt-16750/ Rolex GMT-Master 16750 Complete Guide] (Millenary Watches)
* [https://millenarywatches.com/rolex-gmt-16750/ Rolex GMT-Master 16750 Complete Guide] (Millenary Watches)

Revision as of 05:00, 22 September 2026


GMT-Master › 16750

Acrylic, linked-hand GMT
Acrylic, linked-hand GMT

The 16750 is the first five-digit GMT-Master and the last steel GMT-Master before the 16700. Caliber 3075 raised the beat rate to 28,800 vph and added a quick-set date, but the linked-hand caller-GMT remained: the 24-hour hand follows the local hour hand and the bezel sets the second zone. The steel reference kept the acrylic crystal while the gold 16758 moved to sapphire.

Core facts

detail value
reference 16750
family GMT-Master
production approximately 1980 to 1988; sources differ on whether the first examples date to 1979, 1980, or 1981
total examples no published Rolex production figure
case 40mm Oyster with crown guards
crystal acrylic with Cyclops
water resistance 100m
movement caliber 3075, 27 jewels, 28,800 vph, 48-hour reserve. Free-sprung Microstella balance with Breguet overcoil, hacking seconds, quickset date. 28.5 × 6.2mm. Hand-stack order changed from the 1575GMT to hour / GMT / minute / second
GMT mechanic caller GMT, 24-hour hand stays linked to the local hour hand, second zone reads off the bezel
dial generations matte early dials without white-gold surrounds → glossy lacquer with applied white-gold-circled tritium indices, generally associated with the mid-1980s; dated examples show overlap
bezel bidirectional 24-hour aluminium insert; factory examples are documented with Pepsi or all-black inserts. The black-and-red Coke insert is associated with the 16760
bracelet 78360 Oyster with 580 endlinks period-correct; Jubilee 62510H with 501 endlinks optional
related next references 16700 caller GMT (1988–1999) and the concurrently produced 16760 flyer GMT-Master II (1983–1988)

Where it sits in the line

The 16750 follows the long 1675 run and is the first GMT-Master with a five-digit reference number. It ends in 1988, when the 16700 takes the caller GMT forward with a sapphire crystal and caliber 3175. The 16760 was a parallel GMT-Master II from 1983 to 1988; it introduced the independent local-hour hand and the flyer-GMT mechanic while the 16750 kept the linked-hand layout.

The quick-set date, higher beat rate, and hacking seconds update the 1675 design without changing its caller-GMT operation. The acrylic crystal and 40mm crown-guard case separate the steel 16750 from the sapphire case used on the gold 16758 and later references.

Production outline

Production is usually dated approximately 1980 to 1988, although sources differ on whether the first examples belong to 1979, 1980, or 1981. Sotheby's dates the introduction of caliber 3075 to 1980; Bonhams documents a 27 April 1981 retailer receipt, and Sotheby's has catalogued an example dated circa 1980. Those records establish the period without proving a single first-serial boundary.

No published Rolex production figure surfaces in the documented sources. Matte dials are generally associated with the earlier part of the run, while glossy white-gold-surround dials appear by the mid-1980s; service replacements and overlapping dated examples make a strict year cut unsafe.

Movement notes

Caliber 3075 in 16750
Caliber 3075 in 16750

Caliber 3075 is the main mechanical change over the 1575GMT. Reference guides and auction descriptions give 27 jewels, 28,800 vph, hacking seconds, and a quick-set date. Published movement tables commonly quote a reserve around 48 hours, while some registries round it nearer 50; the page does not treat either figure as a watch-specific test. The listed 28.5mm diameter and 6.2mm thickness are movement specifications, not case measurements.

The hand-setting stack also changed from the 1575GMT: the 24-hour hand sits above the hour hand, followed by the minute and seconds hands. The 3075 retains the linked-hand caller-GMT mechanic, so the 24-hour hand cannot be set independently on a 16750. The independent local-hour hand arrived with caliber 3085 in the 16760 and continued with caliber 3185 in the 16710.

The 3075 gives way to caliber 3175 in the 16700 from 1988 to 1999. A 3175 in a 16750 case is a service or replacement movement unless the watch has documentation explaining the change; movement and case numbers need to be checked together.

Dial map

The two dial generations overlap in dated examples. Examples dated 1984 surface in both matte and glossy finishes, which makes that year the crossover zone.

Matte (early, ~1981–1985)

Matte-dial Pepsi 16750
Matte-dial Pepsi 16750

The matte dial is a black ground with painted indices and no white-gold surrounds. It carries the late-1675 look, but a dial alone does not authenticate the reference. The caliber 3075's hand stack, the case reference and serial, and the crystal should be checked together.

Glossy white-gold-surround (~1986 onward)

Glossy black lacquer carries applied indices in white-gold surrounds, a layout also used on the 16760 and 16710. The period examples in the cited sources use tritium, but service dials and later replacements can change the lume material.

Spider crazing

Glossy spider dial 16750
Glossy spider dial 16750

Spider is collector shorthand for the hairline cracking seen in some glossy lacquer dials. It is a condition of the dial surface, not a separate Rolex reference or documented factory option. A cracked dial may be original, refinished, or later replaced; the pattern needs to be assessed with the printing, lume, hands, case, and service history.

No-Date wording variant

A small group of early glossy dials are documented without the word "Date" above "GMT-Master" at six o'clock. The omission is a useful dial variant to record, but its exact production boundary is not established.

Case, bezel, crystal, and crown

The case is the standard 40mm Oyster with crown guards. The acrylic crystal, with its magnifying Cyclops over the date, separates the steel 16750 from the sapphire-era GMTs that follow. Water resistance was revised to 100m, twice the 50m rating generally given for the four-digit GMT-Master references.

The bezel is a bidirectional 24-hour aluminium insert. Published factory examples use Pepsi or all-black inserts. The black-and-red Coke insert is associated with the 16760; a Coke insert on a 16750 needs fitment and service evidence. Insert-back colour is not a dating rule on its own because replacements circulate.

Bracelets, end links, clasps, and packaging notes

Published period examples appear on the 78360 Oyster with 580 endlinks and on Jubilee 62510-family bracelets with 501 endlinks. A bracelet code dates the bracelet, not the watch head; originality needs case, clasp, endlink, and service-history checks.

Both bracelet families occur in surviving examples. Auction fitment is a poor proxy for original delivery because service and bracelet swaps were common during the reference's life.

Special branches

Omani Police (Khanjar)

16750 with Royal Oman Police emblem dial
16750 with Royal Oman Police emblem at 6 o'clock, one of four documented examples in the same 7.6M serial batch

A small group of 16750 dials carries the white Royal Oman Police emblem at six o'clock. Phillips describes four known examples, all in the 7.6 million serial range and reportedly from one batch without the repeated serial inside the caseback. Those are auction-house and specialist observations, not a Rolex production statement. The Bonhams and Phillips lots document the branch; they do not establish a complete population or a universal premium.

Service-replacement examples

Black-bezel service 16750
Black-bezel service 16750

Service-replacement dials occur, including later dials marked only "Swiss" in place of the original "T SWISS T" wording. Service-era movement swaps from caliber 3075 to caliber 3175 also occur; the case, movement, dial, and service records should be read together.

Caseback and mid-case markings help establish what is present, but neither proves that every component is original. A wide gap between the case serial and movement number is a lead to investigate. The Bonhams Hong Kong 2019 lot with case R672618 and movement number 1,828,172 is an example of an auction-catalogued service-replacement movement, not a universal dating rule.

Glossy spider with no-Date wording

The combination of glossy white-gold-surround indices, omitted "Date" wording, and lacquer cracking can be a useful lead when assessing a late-run 16750 dial. It is not proof of originality; refinishing, replacement parts, and later service work still need to be ruled out.

Historical market and auction record

Sale Lot Year Serial / config Hammer
Bonhams Knightsbridge 29153/95 2024 full set with dated 27 April 1981 receipt, spare Pepsi insert, brochures GBP 10,240 incl. premium
Sotheby's Watches Online 95 2020 c.1982 matte Pepsi, movement 0,381,752 est. CHF 9,000–12,000
Sotheby's Watches Online 96 2020 c.1984 glossy Pepsi with spider crazing est. CHF 12,000–18,000
Sotheby's Watches 109 2020 c.1980 matte Pepsi, full set est. USD 10,000–15,000
Sotheby's Fine Watches 160 2022 c.1984 glossy Pepsi spider, COSC hang tag est. EUR 8,000–12,000
Sotheby's Important Watches 125 2022 c.1984 Pepsi est. USD 10,000–20,000
Antiquorum Hong Kong 373-296 2024 c.1982 signature dial HKD 68,750 (vs est. HKD 35,000–60,000)
Bonhams Hong Kong Watches 3.0 25282/845 2019 case R672618, mvt 1,828,172, service-replacement movement HKD 100,625 incl. premium
Bonhams Fine Watches London 26687/68 2021 c.1983 Omani Police Khanjar, 27-jewel cal. 3075, Jubilee est. GBP 70,000–100,000

The auction record shows a wide spread by condition, dial, provenance, and whether a lot includes its original accessories. The table is a record of individual lots, not a price guide for every 16750. Khanjar examples should be compared only with other documented government-logo dials, since a single estimate or result does not establish a general market tier.

Related references

See also the GMT-Master family index, movement reference, bracelet & clasp guide, and serial numbers by year.

Sources

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