Launched in 1955, the GMT-Master was designed to display the time in two different time zones simultaneously and was originally developed as a navigation instrument for globetrotting professionals.
![]()
" />
24-hour rotatable bezel
In addition to the traditional hour, minute and second hands, the GMT-Master II is also equipped with arrow-shaped hands that circle the dial every 24 hours, and a bidirectional rotatable 24-hour scale bezel.
black dial
Like all professional watches, the GMT-Master II offers excellent legibility in any situation, especially in the dark, thanks to its Chromalight display. The wide hands and hour markers in simple shapes such as triangles, circles, and rectangles are filled with luminous material to emit a long-lasting light.
The iconic two-color bezel makes the GMT-Master II instantly recognizable.
This bidirectional rotating bezel is equipped with a 24-hour scale Cerachrom insert, made of extremely hard ceramic and produced using a pioneering process developed by.
reference
126710BLRO
Sample case
Oyster, 40mm, Oystersteel
Baffle
Two-way rotatable 24-hour scale bezel. Red and blue ceramic Cerachrom inserts, molded numerals and markers
Waterproof performance
Water resistant to 100 meters/330 feet
move
Perpetual, mechanical, automatic winding, GMT function
caliber
3285. Manufacturing
power reserve
about 70 hours
bracelet
Jubilee, five-piece chain link
dial
Black
USD
