Model Name: Rolex GMT Master
Pressure proof to 50m/165ft
- 1565 (1959-1964) 18000A/h
- 1575 (1965-1980) 19600A/h (hacking introduced
Bracelet: Oyster 78360, Jubilé 62510
Glass: Acrylic crystal
Crown guards introduced, pointed crown guards
until 1964/65 (with chapter ring dial)..
New inprint on dial: "Superlative Chronometer
Until late 60s: Small GMT-hand, afterwards large
Early 1970s: All black version introduced.
The hands are in the following order:
GMT/Hour/Minute/Second see this picture.
- Caliber 1565
- Gloss dial
- Thin case
- Caliber 1575
- Matt dial with white printing.
- Ref. 1675/8 Gold (Leather or Oysterbracelet
7208/8, Jubilébracelet 6311/8).
- Ref. 1675/3
Steel/Gold (Oysterbracelet 78363,
Jubilébracelet 62523), 14k gold.
Both variants: Early versions with golden crown
on dial, late versions just with imprinted crown.
Ref. 1675/3 - Black gilt dial, with golden crown
Ref. 1675/3 - Brown mat dial, with golden crown