what is the rotating bezel for?
a marker?
If you seriously want a real dive watch then you need to understand the game really begins at about 500 dollars with some excellent exceptions and that a dive watch has a one way ratcheting bezel which is used to track your dive time---do you not know how to use a bezel? You can use it for elapsed time or time to zero, count down.
Timex Triathlon, Casio G Shocks, work good, no big loss when it gets lost, useful life, like a disposable razor, good for a few days, months, 30 to 150 dollars, some people like them, some don't
Quartz/electric/battery drive, cheap, St Moritz Momentum, useful life one to five years, around 100-200 dollars, cost effective and attractive
Citizen Pro Diver Eco/electric/capacitor, useful life more than a decade, 300 to 500 dollars tough, attractive, durable watch
Seiko Automatic/mechanical auto-winding spring motor, examples are the infamous Orange Monster, tool watch, tough, durable, big, so ugly it hurts kinda look, nobody gonna mistake it for a gurly mahn watch, easily last decades with little attention, 250 to 1,000 dollars. BTW, Seiko has quartz drive and Kinetic drive models also. There are fakes around so shop wisely if shopping from internet.
Hope this helps.
N