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Generated illustration of the Rolex GMT-Master 6542: round case, 38 mm, black dial, gmt bezel, bracelet strap.

Plate 379. Illustration generated from this record, not a photograph. No lettering or logos. Colours are approximate. Same scale on every plate.

a Bezel
gmt, red and blue
b Dial
black, markers: batons, with date
c Case
steel, round
d Strap
bracelet, steel

Rolex · GMT

GMT-Master

Ref. 6542

Machine translation pending human review. Figures and sources match the original.

The first GMT-Master, born of Pan Am's request for a dual-time watch for its pilots. Its radium Bakelite bezel is now a fragile and sought-after part.

Price unconfirmed

We only publish a price with a source and a date.

Why it matters

  • Commission linked to Pan Am
  • Two-tone Bakelite bezel
  • Sources disagree on the calibre (1036, 1065, 1066)

Specifications

Line
GMT-Master
Year
1955
Status
Discontinued
Range
Luxury
Diameter
38 mm
Thickness
unconfirmed
Material
steel
Shape
round
Dial
black
Markers
batons
Date
Yes
Bezel
gmt, red and blue
Strap
bracelet, steel
Calibre
unconfirmed
Movement
Automatic
Power reserve
unconfirmed
Frequency
unconfirmed
Jewels
unconfirmed
Water resistance
unconfirmed
Complications
hours, minutes, seconds, date, second time zone

Across the Archive

Diameter38 mmAbove 18% of 447 watches with this figure
Thicknessunconfirmed
Power reserveunconfirmed
Frequencyunconfirmed
Water resistanceunconfirmed
Priceunconfirmed

Where to buy

A search for this reference at retailers. TicTemple does not sell watches or check stock. Links go live once we join each programme.

Sources

  1. monochrome-watches.com
  2. fratellowatches.com
  3. phillips.com

Record confidence: medium. Based on a secondary source. Anything unverified is shown as “unconfirmed”, never estimated.

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