Reference:sea-dweller: Difference between revisions

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{{#seo:

|title=Rolex Sea-Dweller ~~— Complete~~ Reference Guide — Rolexopedia

|title=Rolex Sea-Dweller Reference Guide — Rolexopedia

|description=~~Every pre-2020~~ Rolex Sea-Dweller reference, from ~~the 1967 Single Red prototypes~~ through the ~~2014–2017 116600 reissue. Production histories~~, dial ~~mark generations~~, COMEX deliveries, movement ~~specs, and collector context~~.

|description=Rolex Sea-Dweller history and selected reference guide, from early 1665 examples through the 2019 Yellow Rolesor 126603, with documented dial groups, COMEX deliveries, and movement changes.

|keywords=Rolex Sea-Dweller, 1665, 16660, 16600, 116600, Single Red Sea-Dweller, Double Red Sea-Dweller, Great White, Triple Six, Sea-Dweller 4000, COMEX, helium escape valve, Patent Pending, Pisani dial, Khanjar

|keywords=Rolex Sea-Dweller, 1665, 16660, 16600, 116600, 126600, Single Red Sea-Dweller, Double Red Sea-Dweller, Great White, Triple Six, Sea-Dweller 4000, COMEX, helium escape valve, Patent Pending, Pisani dial, Khanjar

|image=Sea-dweller vintage poster.webp

|image_alt=Rolex Sea-Dweller 1979 magazine advertisement

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</div>

The Sea-Dweller is Rolex's saturation-diving line, distinguished from the Submariner by its helium escape valve. Development examples appear in 1967, and civilian sales of the 1665 followed in the early 1970s. The ~~historical~~ references covered here are 1665, 16660, 16600, and ~~116600~~.

The Sea-Dweller is Rolex's saturation-diving line, distinguished from the Submariner by its helium escape valve. Development examples appear in 1967, and civilian sales of the 1665 followed in the early 1970s. The references covered here are 1665, 16660, 16600, 116600, 126600, and 126603.

The operational distinction sits at 9 o'clock on the case. A one-way helium release valve, Swiss patent CH492246 (filed November 1967, granted June 1970), lets helium dissolved in the watch during long mixed-gas chamber dives escape during decompression without popping the crystal off the case. The valve is the feature that separates the Sea-Dweller from the standard Submariner for saturation work.

~~This hub stops at the 2014–2017 116600. Current references 126600 and 126603 are outside this historical scope.~~

== Common entry points ==

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<div class="rp-card"><div class="rp-card-body"><div class="rp-card-meta">Researching a Triple Six?</div><div class="rp-card-title">[[Reference:16660|16660]]</div><div class="rp-card-text">First sapphire-crystal Sea-Dweller, with a 1,220 m rating and several documented dial and caseback generations.</div></div></div>

<div class="rp-card"><div class="rp-card-body"><div class="rp-card-meta">Cross-checking a long-run modern SD?</div><div class="rp-card-title">[[Reference:16600|16600]]</div><div class="rp-card-text">The long 3135 run, with tritium, Luminova, and Super-LumiNova dial eras, and the last Sea-Dweller with an aluminum bezel insert.</div></div></div>

<div class="rp-card"><div class="rp-card-body"><div class="rp-card-meta">Looking at the 43 mm steel Sea-Dweller?</div><div class="rp-card-title">[[Reference:126600|126600]]</div><div class="rp-card-text">Introduced in 2017 with calibre 3235, a Cyclops date and a single red dial line.</div></div></div>

<div class="rp-card"><div class="rp-card-body"><div class="rp-card-meta">Looking at the two-tone 43 mm Sea-Dweller?</div><div class="rp-card-title">[[Reference:126603|126603]]</div><div class="rp-card-text">Introduced in 2019 in Yellow Rolesor, with calibre 3235 and yellow-hued dial text.</div></div></div>

</div>

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! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction

|-

| [[Reference:116600|116600]] || 2014–2017 || 3135 + Parachrom Bleu || Sapphire || 1220m / 4000ft || 40 mm reissue with Cerachrom bezel, Maxi dial, Chromalight lume, and 97200 bracelet with Glidelock and Fliplock. Later 126600 moved the case to 43 mm.

| [[Reference:116600|116600]] || 2014–2017 || 3135 + Parachrom Bleu || Sapphire || 1220m / 4000ft || 40 mm reissue with Cerachrom bezel, Maxi dial, Chromalight lume, and 97200 bracelet with Glidelock and Fliplock. Later [[Reference:126600|126600]] moved the case to 43 mm.

|}

== Modern 43 mm — 126600 and 126603 (2017–present) ==

Rolex introduced the 126600 in 2017 for the Sea-Dweller’s 50th anniversary. The case grew to 43 mm, the movement changed to calibre 3235, and a Cyclops magnifies the date. Rolex retained the helium escape valve and 1,220 m rating. The red SEA-DWELLER line recalls the early red-dial 1665. [https://newsroom.rolex.com/watches/oyster-collection/sea-dweller Rolex Newsroom] [https://www.hodinkee.com/articles/the-rolex-sea-dweller-reference-126600 Hodinkee, 2017]

Rolex added the Yellow Rolesor 126603 in 2019 alongside the steel 126600. It keeps the 43 mm case, calibre 3235, helium escape valve and 1,220 m rating, with yellow gold on the bezel, crown and bracelet center links. The black dial uses yellow-hued SEA-DWELLER text. [https://content.rolex.com/dam/media/brochures/grand-public/2019_Oyster_New_Models_English.pdf Rolex, 2019 Oyster models brochure] [https://www.rolex.com/watches/sea-dweller/m126603-0001 Rolex, 126603 specifications]

Photographs show two dial executions at six o’clock: the 2017 Phillips example has SWISS MADE without a coronet; Rolex’s current product image shows the coronet between those words. Collectors call them Mk I and Mk II, but the name and transition date are not official Rolex specifications. See the [[Reference:126600|126600 reference page]] for the photographed differences and dated examples. [https://www.phillips.com/detail/rolex/197215 Phillips, lot 8117]

{| class="wikitable" style="width:100%;"

|-

! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction

|-

| [[Reference:126600|126600]] || 2017–present || 3235 || Sapphire with Cyclops || 1220m / 4000ft || 43 mm Oystersteel case; black Cerachrom insert; red SEA-DWELLER dial line.

|-

| [[Reference:126603|126603]] || 2019–present || 3235 || Sapphire with Cyclops || 1220m / 4000ft || 43 mm Yellow Rolesor case and bracelet; black Cerachrom insert; yellow-hued SEA-DWELLER dial line.

|}

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The valve sits at 9 o'clock on Sea-Dweller cases and is covered by Swiss patent CH492246, filed 6 November 1967 and granted in June 1970. During saturation work, helium can enter a watch case; during decompression, a one-way spring-loaded valve lets excess internal pressure escape without opening the case. The development history includes feedback from saturation divers, including Bob Barth.

The 1665 carries the valve in its first generation. The 16660 enlarges it for the 1220-metre depth rating, and the 16600 and ~~116600 inherit~~ the larger unit.

The 1665 carries the valve in its first generation. The 16660 enlarges it for the 1220-metre depth rating, and the 16600, 116600, 126600, and 126603 retain the larger unit.

== Historical anchors ==

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== Special branches ==

~~The four main~~ Sea-~~Dweller references host~~ institutional and retailer-signed branches whose provenance and authentication ~~get their fuller treatment~~ on the individual reference pages:

Vintage Sea-Dwellers have institutional and retailer-signed branches whose provenance and authentication are covered on the individual reference pages:

* Patent Pending caseback DRSD (1665 Mk I): hand-engraved caseback examples in the 1.7M and 2.1M serial bands. Pisani's tables describe the inside-back stamp and batch details.

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* [[Reference:Serial-numbers|Serial numbers by year]] — numeric 1967–1987, letter prefix 1987–2010, random alphanumeric 2010 onward

* [[Reference:Movements|Movement reference]] — ~~caliber~~ 1575 (1665), 3035 (16660), 3135 (16600 and 116600, ~~the latter with a Parachrom hairspring~~)

* [[Reference:Movements|Movement reference]] — calibres 1575 (1665), 3035 (16660), 3135 (16600 and 116600), and 3235 (126600)

* [[Reference:Bracelets|Bracelet & clasp guide]] — the 9315, 93150, 93160, 78360, and 97200 fitments and the clasp date-code key

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* [https://lwmitalia.com/watch/rolex-sea-dweller-16600-date-polipetto-italian-police-assigned-full-set-nos/ LWM Italia editorial, "Sanarico Polipetto ref. 16600, patent 126", LWM Italia]

* [https://rolexpassionreport.com/15606/the-evolution-of-rolex-luminous/ Rolex Passion Report editorial, "The Evolution of Rolex Luminous — Tritium to Chromalight", Rolex Passion Report]

* [https://www.rolex.com/watches/sea-dweller/m126600-0002 Rolex, Sea-Dweller reference 126600 product specification]

* [https://www.christies.com/en/lot/lot-6200091 Christie’s, ref. 126600, case 61GY4787, circa 2018]

* [https://electronicsandbooks.com/edt/manual/Art/Auction/Sothebys/2017/20171013%20HK0752A%20Fine%20Timepieces%20%5B150%5D.pdf Sotheby’s, ref. 126600, Hong Kong, October 2017]

[[Category:Sea-Dweller]]

[[Category:Family]]

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:Rolex Sea-Dweller}}
 {{#seo:
-|title=Rolex Sea-Dweller — Complete Reference Guide — Rolexopedia
+|title=Rolex Sea-Dweller Reference Guide — Rolexopedia
-|description=Every pre-2020 Rolex Sea-Dweller reference, from the 1967 Single Red prototypes through the 2014–2017 116600 reissue. Production histories, dial mark generations, COMEX deliveries, movement specs, and collector context.
+|description=Rolex Sea-Dweller history and selected reference guide, from early 1665 examples through the 2019 Yellow Rolesor 126603, with documented dial groups, COMEX deliveries, and movement changes.
-|keywords=Rolex Sea-Dweller, 1665, 16660, 16600, 116600, Single Red Sea-Dweller, Double Red Sea-Dweller, Great White, Triple Six, Sea-Dweller 4000, COMEX, helium escape valve, Patent Pending, Pisani dial, Khanjar
+|keywords=Rolex Sea-Dweller, 1665, 16660, 16600, 116600, 126600, Single Red Sea-Dweller, Double Red Sea-Dweller, Great White, Triple Six, Sea-Dweller 4000, COMEX, helium escape valve, Patent Pending, Pisani dial, Khanjar
 |image=Sea-dweller vintage poster.webp
 |image_alt=Rolex Sea-Dweller 1979 magazine advertisement
@@ Line 18: / Line 18: @@
 </div>
-The Sea-Dweller is Rolex's saturation-diving line, distinguished from the Submariner by its helium escape valve. Development examples appear in 1967, and civilian sales of the 1665 followed in the early 1970s. The historical references covered here are 1665, 16660, 16600, and 116600.
+The Sea-Dweller is Rolex's saturation-diving line, distinguished from the Submariner by its helium escape valve. Development examples appear in 1967, and civilian sales of the 1665 followed in the early 1970s. The references covered here are 1665, 16660, 16600, 116600, 126600, and 126603.
 The operational distinction sits at 9 o'clock on the case. A one-way helium release valve, Swiss patent CH492246 (filed November 1967, granted June 1970), lets helium dissolved in the watch during long mixed-gas chamber dives escape during decompression without popping the crystal off the case. The valve is the feature that separates the Sea-Dweller from the standard Submariner for saturation work.
-This hub stops at the 2014–2017 116600. Current references 126600 and 126603 are outside this historical scope.
 == Common entry points ==
@@ Line 30: / Line 30: @@
 <div class="rp-card"><div class="rp-card-body"><div class="rp-card-meta">Researching a Triple Six?</div><div class="rp-card-title">[[Reference:16660|16660]]</div><div class="rp-card-text">First sapphire-crystal Sea-Dweller, with a 1,220 m rating and several documented dial and caseback generations.</div></div></div>
 <div class="rp-card"><div class="rp-card-body"><div class="rp-card-meta">Cross-checking a long-run modern SD?</div><div class="rp-card-title">[[Reference:16600|16600]]</div><div class="rp-card-text">The long 3135 run, with tritium, Luminova, and Super-LumiNova dial eras, and the last Sea-Dweller with an aluminum bezel insert.</div></div></div>
+<div class="rp-card"><div class="rp-card-body"><div class="rp-card-meta">Looking at the 43 mm steel Sea-Dweller?</div><div class="rp-card-title">[[Reference:126600|126600]]</div><div class="rp-card-text">Introduced in 2017 with calibre 3235, a Cyclops date and a single red dial line.</div></div></div>
+<div class="rp-card"><div class="rp-card-body"><div class="rp-card-meta">Looking at the two-tone 43 mm Sea-Dweller?</div><div class="rp-card-title">[[Reference:126603|126603]]</div><div class="rp-card-text">Introduced in 2019 in Yellow Rolesor, with calibre 3235 and yellow-hued dial text.</div></div></div>
 </div>
@@ Line 73: / Line 75: @@
 ! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction
 |-
-| [[Reference:116600|116600]] || 2014–2017 || 3135 + Parachrom Bleu || Sapphire || 1220m / 4000ft || 40 mm reissue with Cerachrom bezel, Maxi dial, Chromalight lume, and 97200 bracelet with Glidelock and Fliplock. Later 126600 moved the case to 43 mm.
+| [[Reference:116600|116600]] || 2014–2017 || 3135 + Parachrom Bleu || Sapphire || 1220m / 4000ft || 40 mm reissue with Cerachrom bezel, Maxi dial, Chromalight lume, and 97200 bracelet with Glidelock and Fliplock. Later [[Reference:126600|126600]] moved the case to 43 mm.
+|}
+== Modern 43 mm — 126600 and 126603 (2017–present) ==
+Rolex introduced the 126600 in 2017 for the Sea-Dweller’s 50th anniversary. The case grew to 43 mm, the movement changed to calibre 3235, and a Cyclops magnifies the date. Rolex retained the helium escape valve and 1,220 m rating. The red SEA-DWELLER line recalls the early red-dial 1665. [https://newsroom.rolex.com/watches/oyster-collection/sea-dweller Rolex Newsroom] [https://www.hodinkee.com/articles/the-rolex-sea-dweller-reference-126600 Hodinkee, 2017]
+Rolex added the Yellow Rolesor 126603 in 2019 alongside the steel 126600. It keeps the 43 mm case, calibre 3235, helium escape valve and 1,220 m rating, with yellow gold on the bezel, crown and bracelet center links. The black dial uses yellow-hued SEA-DWELLER text. [https://content.rolex.com/dam/media/brochures/grand-public/2019_Oyster_New_Models_English.pdf Rolex, 2019 Oyster models brochure] [https://www.rolex.com/watches/sea-dweller/m126603-0001 Rolex, 126603 specifications]
+Photographs show two dial executions at six o’clock: the 2017 Phillips example has SWISS MADE without a coronet; Rolex’s current product image shows the coronet between those words. Collectors call them Mk I and Mk II, but the name and transition date are not official Rolex specifications. See the [[Reference:126600|126600 reference page]] for the photographed differences and dated examples. [https://www.phillips.com/detail/rolex/197215 Phillips, lot 8117]
+{| class="wikitable" style="width:100%;"
+|-
+! Reference !! Production !! Movement !! Crystal !! Depth !! Key distinction
+|-
+| [[Reference:126600|126600]] || 2017–present || 3235 || Sapphire with Cyclops || 1220m / 4000ft || 43 mm Oystersteel case; black Cerachrom insert; red SEA-DWELLER dial line.
+|-
+| [[Reference:126603|126603]] || 2019–present || 3235 || Sapphire with Cyclops || 1220m / 4000ft || 43 mm Yellow Rolesor case and bracelet; black Cerachrom insert; yellow-hued SEA-DWELLER dial line.
 |}
@@ Line 80: / Line 99: @@
 The valve sits at 9 o'clock on Sea-Dweller cases and is covered by Swiss patent CH492246, filed 6 November 1967 and granted in June 1970. During saturation work, helium can enter a watch case; during decompression, a one-way spring-loaded valve lets excess internal pressure escape without opening the case. The development history includes feedback from saturation divers, including Bob Barth.
-The 1665 carries the valve in its first generation. The 16660 enlarges it for the 1220-metre depth rating, and the 16600 and 116600 inherit the larger unit.
+The 1665 carries the valve in its first generation. The 16660 enlarges it for the 1220-metre depth rating, and the 16600, 116600, 126600, and 126603 retain the larger unit.
 == Historical anchors ==
@@ Line 93: / Line 112: @@
 == Special branches ==
-The four main Sea-Dweller references host institutional and retailer-signed branches whose provenance and authentication get their fuller treatment on the individual reference pages:
+Vintage Sea-Dwellers have institutional and retailer-signed branches whose provenance and authentication are covered on the individual reference pages:
 * Patent Pending caseback DRSD (1665 Mk I): hand-engraved caseback examples in the 1.7M and 2.1M serial bands. Pisani's tables describe the inside-back stamp and batch details.
@@ Line 114: / Line 133: @@
 * [[Reference:Serial-numbers|Serial numbers by year]] — numeric 1967–1987, letter prefix 1987–2010, random alphanumeric 2010 onward
-* [[Reference:Movements|Movement reference]] — caliber 1575 (1665), 3035 (16660), 3135 (16600 and 116600, the latter with a Parachrom hairspring)
+* [[Reference:Movements|Movement reference]] — calibres 1575 (1665), 3035 (16660), 3135 (16600 and 116600), and 3235 (126600)
 * [[Reference:Bracelets|Bracelet & clasp guide]] — the 9315, 93150, 93160, 78360, and 97200 fitments and the clasp date-code key
@@ Line 160: / Line 179: @@
 * [https://lwmitalia.com/watch/rolex-sea-dweller-16600-date-polipetto-italian-police-assigned-full-set-nos/ LWM Italia editorial, "Sanarico Polipetto ref. 16600, patent 126", LWM Italia]
 * [https://rolexpassionreport.com/15606/the-evolution-of-rolex-luminous/ Rolex Passion Report editorial, "The Evolution of Rolex Luminous — Tritium to Chromalight", Rolex Passion Report]
+* [https://www.rolex.com/watches/sea-dweller/m126600-0002 Rolex, Sea-Dweller reference 126600 product specification]
+* [https://www.christies.com/en/lot/lot-6200091 Christie’s, ref. 126600, case 61GY4787, circa 2018]
+* [https://electronicsandbooks.com/edt/manual/Art/Auction/Sothebys/2017/20171013%20HK0752A%20Fine%20Timepieces%20%5B150%5D.pdf Sotheby’s, ref. 126600, Hong Kong, October 2017]
 [[Category:Sea-Dweller]]
 [[Category:Family]]