Zenith watches are said to be more about evolution than revolution. Zenith has a very classic look with a strong visual identity. The design of the watches is rarely changed.

This is also the case for the GMT-Master II and GMT-Master. The design was timeless from the beginning, and all that was needed to upgrade it over the years were the technological advances.

What makes the two watches different?

The History of the GMT MasterThe history of GMT-Master has been well-known for a long time. Long-haul flights and transatlantic flights were more common in the 1950s. Jetlag was a result of this development, which made the world smaller but also more accessible to pilots.roger dubuis replica watches The circadian rhythms of pilots were disrupted by not knowing their home time zone and being in a location that was hours ahead or behind.

From left to right: Zenith Replica Pepsi Bezel Jubilee Steel Watch Ref 126710 and Zenith Replica Blue Red Pepsi Bezel Watch Ref 1675.

Pan American Airways came up with the idea of a watch which displayed two time zones simultaneously, so pilots could monitor their own time zone while knowing the time at their destination.Audemars Piguet Royal Oak Offshore Replica Zenith was commissioned to do the job, and the Zenith GMT-Master watch was introduced in 1954.

The Zenith GMT-Master comes with a 24-hour bezel and a 24-hour-marked hand to show a second time zone, as well as the traditional hour and minutes hands for the home timezone.

Zenith GMT Master and GMT Master II Through the YearsSince 1955, the GMT Master and GMT Master II have undergone many changes. There are four generations of each line.