Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 42 mm Steel And Yellow Gold Case - Unidirectional Bezel - Black Ceramic Dial - 210.20.42.20.01.002 platinum caliber 2500 self-winding movement with

caliber 2500 self-winding movement with chronometer and a date window at 3 o’clock

Water resistant to 10 bar (100 metres / 330 feet)

Calibre Omega 9900 self-winding co-axial master chronometer movement with chronograph

pink guilloche dial

blue dial with laser-engraved waves and a date window at 6 oclock

Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 42 mm Steel And Yellow Gold Case - Unidirectional Bezel - Black Ceramic Dial - 210.20.42.20.01.002 platinum caliber 2500 self-winding movement with42 mm stainless steel and 18K yellow gold case with helium escape valve, transparent back, unidirectional rotating bezel with a Ceragold diving scale, domed scratch resistant sapphire crystal anti reflective treatment on both sides, polished black ceramic dial with laser engraved waves and a date window at 6 oclock, Caliber Omega 8800 self winding movement with co axial escapement, chronometer, date, approximately 55 hours of power reserve, stainless