Reference:2764: Difference between revisions
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The 2764 produces a wider dial variety than most single Bubbleback references of the period, partly because the production window ran over a decade and partly because the reference carried multiple retailer variants, each with its own dial configuration. | The 2764 produces a wider dial variety than most single Bubbleback references of the period, partly because the production window ran over a decade and partly because the reference carried multiple retailer variants, each with its own dial configuration. | ||
A two-tone champagne radium dial appears in the rarer surfaced examples documented through Antiquorum — champagne-toned center with a contrasting outer chapter ring, radium-lumed hour markers, typically paired with luminous baton or pencil hands. The warm champagne palette reads distinctly from the more common cream or off-white dials and is the configuration most closely associated with the Birks Canada retailer signature. | |||
A multi-tone off-white dial with copper or gold raised Arabic numerals is the configuration Phillips presented as Lot 126 in the Geneva Watch Auction THREE (May 2016). The dial is an off-white with tonal shifts across the surface, applied raised Arabic numerals at every hour position in copper or gold tone, a conventional seconds sub-register at 6 o’clock. The Phillips example, stainless steel with case 107118 dated 1941, sold for CHF 31,250 against an estimate of 15,000–25,000. This is the 2764’s public-auction benchmark for a strong strong-condition example. | |||
The California-dial 2764, documented by Bachmann & Scher, pairs Arabic numerals on the lower half with Roman numerals on the upper half — the “California” layout that Rolex used on a small number of dial configurations across the 1930s and 1940s, and that Wind Vintage and other specialist dealers have catalogued extensively on later Submariner and Explorer references. The 2764 California is one of the earlier appearances of the layout. Radium-lumed markers at the hour positions; blued steel or luminous baton hands depending on the example. | |||
'''Silver/cream with luminous Arabic numerals — the “Turtle Perpetual” retailer variant.''' The Heritage Auctions example retailed through Zell Bros. of Portland, Oregon, carries a silver or cream dial with luminous Arabic numerals at every hour position and the retailer’s “Turtle Perpetual” mark in addition to the Rolex text. This is the single best-known retailer variant of the reference and gives the 2764 a named place in the North American retailer-signature literature that collectors of the period track. | '''Silver/cream with luminous Arabic numerals — the “Turtle Perpetual” retailer variant.''' The Heritage Auctions example retailed through Zell Bros. of Portland, Oregon, carries a silver or cream dial with luminous Arabic numerals at every hour position and the retailer’s “Turtle Perpetual” mark in addition to the Rolex text. This is the single best-known retailer variant of the reference and gives the 2764 a named place in the North American retailer-signature literature that collectors of the period track. | ||
The baseline configuration is the standard cream or off-white dial. Applied or painted Arabic numerals, Rolex coronet and “Oyster Perpetual” line at 12 o’clock, “SUPER PRECISION” or “Precision” or “Officially Certified Chronometer” mark below 6 o’clock, sub-seconds register integrated into the dial. This is the configuration that appears most often in unsigned examples without retailer provenance. | |||
Hands across the dial variants fall into four recurring styles. Blued steel sword hands on the more austere dials; luminous baton hands on the radium-marked variants; pencil or stick hands with radium inserts on the standard configurations; cathedral hands on a smaller subset of examples, typically paired with the more formal dial layouts. | Hands across the dial variants fall into four recurring styles. Blued steel sword hands on the more austere dials; luminous baton hands on the radium-marked variants; pencil or stick hands with radium inserts on the standard configurations; cathedral hands on a smaller subset of examples, typically paired with the more formal dial layouts. | ||
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For collectors, the 2764 occupies a specific Bubbleback slot: the chronometer-grade dress variant with the “SUPER PRECISION” mark, the odd-suffix Cal. 620N, and a cluster of collector-grade retailer variants. The configuration hierarchy is legible and the price anchoring is reasonable. | For collectors, the 2764 occupies a specific Bubbleback slot: the chronometer-grade dress variant with the “SUPER PRECISION” mark, the odd-suffix Cal. 620N, and a cluster of collector-grade retailer variants. The configuration hierarchy is legible and the price anchoring is reasonable. | ||
The configuration hierarchy runs from most to least desirable. At the top sit the “SUPER PRECISION” dial paired with the Zell Bros “Turtle Perpetual” retailer signature on a stainless case — cross-category collectibility married to the chronometer-grade mark. Below that, the multi-tone off-white with raised gold Arabic numerals on period-correct hardware, the Phillips 2016 Lot 126 configuration and the public benchmark. The two-tone champagne radium with Birks signature is a distinctive retailer pairing, and the California dial — Arabic and Roman numerals combined with radium — is the rare dial-layout variant. Below those, standard cream or off-white with the “SUPER PRECISION” mark remains a strong baseline; the same dial with “Precision” or “Officially Certified Chronometer” is the everyday configuration. | |||
Authentication priorities cluster around a handful of checks. The movement should be Cal. 620, with or without the “N” sizing-code suffix on the plate — a 9¾-ligne automatic with unidirectional 360-degree rotor, Super Balance, and Breguet overcoil. Architectural differences (bidirectional rotor, different rotor geometry, different bridge layout) indicate a service-replacement movement from a different caliber family. On the dial mark, “SUPER PRECISION” is period-correct and desirable; “Precision” and “Officially Certified Chronometer” are also period-correct. A 2764 with no precision-designation mark at all is uncommon and warrants closer dial examination, as refinished dials occasionally lose the fine text around 6 o’clock in restoration. Case material should be stainless steel, gold shell, or gold-plated — the three documented options. Claimed solid-gold examples require hallmark photography and caseback weight documentation. Retailer signatures from Zell Bros (“Turtle Perpetual”) and Birks are period-correct; unusual retailer marks warrant research against known North American and European retailer archives, and added retailer text on a refinished dial is a known flag. On lume, radium markers should patinate together with radium-inserted hands. Mismatched lume color across the dial markers and hands is a replacement tell, and refinished dials with relumed markers reduce value meaningfully. | |||
The Phillips 2016 result at CHF 31,250 represents the current benchmark for a strong-configuration 2764 at public auction. Dealer asking prices for standard examples run lower; strong retailer-signed examples run higher. A clean stainless 2764 with “SUPER PRECISION” mark and period-correct hardware should anchor somewhere in the CHF 10,000–25,000 range depending on condition and dial configuration, with Zell Bros and Birks retailer signatures pushing into the CHF 20,000–35,000+ range when paired with strong condition. | |||
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