Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 43.5 mm Black Ceramic Case - Unidirectional Bezel - Black Ceramic Dial - Black Rubber Strap - 210.92.44.20.01.001 Mother-Of-Pearl` and a date window at

and a date window at 6 o'clock

blue ceramic dial

silver dial with red gold-coloured roman numeral hour markers and polished cobachons

crystal white silvery dial and scratch-resistant sapphire crystal

Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 43.5 mm Black Ceramic Case - Unidirectional Bezel - Black Ceramic Dial - Black Rubber Strap - 210.92.44.20.01.001 Mother-Of-Pearl` and a date window at43. 5 mm black ceramic case with helium escape valve, transparent back, unidirectional rotating bezel with white enamel diving scale, domed scratch resistant sapphire crystal anti reflective treatment on both sides, polished black ceramic dial with laser engraved waves, Caliber Omega 8806 self winding movement with a co axial escapement, chronometer, approximately 55 hours of power reserve, black rubber strap. Water resistant to 30 bar (300 metres