lifeasdaddy - The watch I wore today was

the Girard-Perregaux Sea Hawk Pro 3000m.

Owned by a friend, he let me wear it for a short time today.  It's believed to be the only one of it's type in Australia.

A huge watch, the glass is thicker than the movement.

Technical notes:  Automatic.  Certified to resist pressure up to depth of 3000m.  Screw-down crown at 4 o-clock. Date between 1o'clock and 2 o'clock. Power Reserve, Rotating bezel, diameter = 44mm, thickness = 20.10mm,  2 side decompression valves.