Reference:16760

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GMT-Master → 16760


The 16760 is where the GMT-Master II begins. It was the first watch in the family to add an independently adjustable 24-hour hand, which turned the bezel into a third-time-zone tool rather than a second-time-zone aid. The same mechanical change demanded a thicker case, and that case gave the reference its two collector nicknames: Fat Lady and Sophia Loren.

The mechanics are a clean turning point. The bezel history and the earliest dial variations are not.

Core facts

detail value
reference 16760
family GMT-Master II
production 1983-1987 in the Field Manual, with broader family histories stretching the watch into 1982-1988
movement caliber 3085
case 40mm Oyster with thicker profile than the 16710
crystal sapphire with Cyclops
water resistance 100m
bezel black or Coke in the strongest conservative reading; Pepsi remains disputed in the wider family literature
defining feature first independently adjustable 24-hour hand in the GMT line

Where it sits in the line

The 16760 creates the functional split inside the family. The 16750 that precedes it is the last transitional GMT-Master with the older linked-hand logic, where setting the local hour hand drags the 24-hour hand along with it. The 16760 separates those two hands. The local hour hand can jump forward and back independently while the 24-hour hand stays pinned to home-base time. That independent hour-hand behavior is what the "II" in GMT-Master II refers to. The 16710 that follows keeps the same movement logic in a slimmer case once the thick transitional shape is no longer needed.

Collectors talk more about the 16710, but the 16760 is where the family changes what the watch actually does.

Production outline

The 16760 is the first GMT-Master II. It carries the thick transitional case, runs steel-only, and has a short production run compared with the 16710 that replaces it. Exact boundaries are contested. The Field Manual keeps the reference to 1983-1987. Monochrome and Sotheby's push it out to 1982-1988. Placing the watch in the early-to-late 1980s GMT-Master II transition is the safer reading given that spread.

Movement notes

Caliber 3085 is the reason the reference exists. It introduced the independently adjustable 24-hour hand, which let the wearer track a third time zone by rotating the bidirectional bezel while the main hour and GMT hands already carried two. The module that carries the independent hour-hand function sits on top of the base going-train rather than beside it, and the case had to grow around it. The watch ended up visibly taller and broader across the crown guards than the 16750 it replaced and the 16710 that followed, and that physical bulk is what gave the reference its two collector nicknames.

Fat Lady is the older and more widely used name and simply describes the profile. Sophia Loren is the more polite collector-market rebrand, invoking the Italian actress's figure as a softer way of pointing at the same thickness. Both names attach to the same watch for the same reason: the 3085 needed room, and the case gave it room. Sotheby's places the reference from 1982 and explicitly ties the Fat Lady language directly to the 3085, which lines up with how the wider corpus uses the nickname.

Dial map

Coke 16760

Surviving sale records for the 16760 are thinner than for the neighboring references, but two things are clear.

Core dial look

Surviving market examples all show black dials with white-gold surrounds on the hour markers, which fits the reference's role as the first fully modernized-looking GMT-Master II.

Early dial variation

The enthusiast layer suggests the dial story runs deeper than the direct sale set shows. Collector-forum discussion points toward at least two early dial groups treated as distinct. The clearest split turns on printing weight and the exact shade of the white-gold index surrounds. Earlier dials run slightly crisper in their printing; later examples trend softer. A second, more contested split involves how the minute track meets the outer edge of the dial on the earliest watches.

Running alongside that variation map is a condition issue: gloss-loss. Forum reports repeatedly describe 16760 dials that have shifted from a glossy black finish to a matte or semi-matte surface over time, sometimes unevenly across the dial. Gloss-loss is not redial damage and not lume failure. It is a slow degradation of the lacquer layer, and it is one of the reasons condition spreads so wide on surviving examples. A matte-looking 16760 dial is often completely original; a too-glossy one on a watch of this age is sometimes the suspect party. The sale record is not yet deep enough to turn the variation groups into a labelled taxonomy, but the gloss-loss pattern is consistent enough across forum reports to state directly.

Case, bezel, crystal, and crown notes

Fat Lady case profile

The case is the reference's signature. It has the same nominal 40mm footprint as the watches around it but is thicker, heavier, and visually fuller at the crown guards. Sapphire with a Cyclops lens over the date sits under an already more modern silhouette than the acrylic GMT-Masters alongside it on the production timeline.

The bezel story is where the clean narrative breaks. The Field Manual's reference table lists the 16760 as coming only with a black insert or a black-and-red Coke insert, and explicitly says Pepsi (red and blue) was not a factory option for this reference. Sotheby's complete collector's guide describes the same watch as available with the red-and-blue Pepsi bezel or the black-and-red Coke bezel, listing Pepsi in and black out. Monochrome's family history aligns with Sotheby's on the Pepsi question. Three reputable sources describe three different combinations of the same set.

Coke is directly supported in the market layer and confirmed in all three text sources. Black is supported by the strongest conservative source. Pepsi sits inside the wider editorial and auction literature but has not yet been anchored by a direct 16760 sale, and no sold lot yet resolves the disagreement.

Bracelets, end links, clasps, and packaging notes

The Field Manual gives the strongest fitment map currently available. An Oyster 78360 with 501 end links and a Jubilee 62510H with 502B end links both appear as period options. A later 78790A with solid end links also appears and should be treated as fitment compatibility rather than automatic period-original delivery. Surviving market examples run mainly on Oyster. One later example carries box, papers, and a service card, which is enough for a basic packaging note without turning bracelet delivery into a full timeline.

Special branches

1985 Coke 16760

Coke

The Coke branch is the configuration most clearly supported by the direct market and one of the strongest visual identities in the entire GMT-Master II line.

Black insert

The Field Manual's 16760 reference table names a plain black insert as one of only two factory options alongside Coke. The book does not treat the black-insert 16760 as a separate collector tier the way later all-black GMT-Master II watches sometimes are; it is simply the other insert the reference left the factory with. Surviving black 16760 watches are genuinely less common in the dealer market than Coke examples, and no direct sale has entered the corpus yet, so the branch stands on the book for now.

Pepsi

Sotheby's and Monochrome both list a Pepsi 16760 as a standard option alongside Coke. The Field Manual calls it specifically not-for-this-reference. No Pepsi 16760 has surfaced yet in the sale record to resolve the disagreement. The branch is named and sourced; the bezel configuration itself remains unresolved.

Historical market and auction record

The market layer is still dealer-led but already carries weight. An early Coke example anchors the nickname and the thick-case story. A documented 1985 example adds 3085 provenance, packaging, and a service card. A 1988 example shows the Coke-and-thick-case identity persisting through the end of the run. A true auction-house 16760 lot, and a direct black or Pepsi sale, would close the remaining gaps.

Sources

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