Mach
2324
This is a countdown bezel.
Apr 23, 2020,08:04 AM
With a count-up bezel, this allows you to see how much time has elapsed, especially for divers.
Now with the countdown bezel, this allows you to see how much time is remaining. Since this is a pilot’s watch, this feature would help the pilot tracks remaining fuel, i.e. bingo fuel time.