CAL. 4R36

Professional diving watch - Self-winding movement 3 balls / day / date - Frequency 21,600 vibrations / hour - 24 jewels - Manual winding option - Power reserve over 41 hours - Stainless steel case - Screw-down crown - Unidirectional rotating bezel with treatment Black IP - Indexes and spheres with Lumibrite - Black silicone strap.