There are some GMT/Dive watches with 24hr markings on the bezel and i have not yet heard a single answer on the internet on how does one read a 24hr markings on a bezel during a dive.

....& if it can't be done, why still make a GMT watch both a diver's watch at that?

(e.g. Omega Seamaster Planet Ocean GMT Goodplanet 600m - and they even went as far as making it capable of 2000ft. )

Any info would be greatly appreciated!

 

Isn't it so you've got a divers and gmt watch in one. Therefore you don't have to take off your PO and strap on your GMT as soon as you finish your dive.

Underwater you don't really care what the actual time is do you? You just need to know how long since you descended (and depth).

 

Isnt the turnable bezel on dive watches made for diving? So if you dont have the 15min markers then that defeats the purpose? aka a GMT PO is a fashionable oxymoron (a drool inducing, beautiful one at that!)? Correct me if im wrong if this is what the OP is asking.

 

There are 2 bezels on the diving GMT. One has a dive Bezel one has a GMT Bezel




This one has the dive Bezel and you can read the 2nd 24 hour time via the small numbers on the out ring. Or by knowing how to read a 24 hour hand.







Not s dive watch as there is no way to time bottom time. He valve makes little sense but if you understand how 24 hour hands work you can display 3 time zones.