GMT watches

A second hour hand, read against a 24-hour scale, shows the time in another time zone alongside local time. Watchnik lists 97 GMT references across 66 models, from 35 mm to 48 mm.

Use the left and right arrow keys to move along the row.

Photographs: Breitling, Omega, Tissot, Mayors, Raymond Weil. Image credits

Models: 66
References: 97
Omega: 32 models
Tissot: 3 models
Breitling: 12 models
Rolex: 12 models
Raymond Weil: 1 model
Longines: 1 model
Grand Seiko: 1 model
Tudor: 2 models
Panerai: 2 models

How a GMT works

A GMT watch adds an hour hand that turns once every 24 hours. Set it to home time and read it against a 24-hour bezel or dial ring, while the main hands keep local time. On many models the main hour hand jumps in one-hour steps without stopping the watch, so changing time zone takes seconds. A rotating bezel adds a third zone: turn it by the time difference and read the 24-hour hand against it. The name comes from Greenwich Mean Time, once the world's reference time.