Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 42 mm Steel And Sedna Gold Case - Unidirectional Bezel - Black Ceramic Dial - 210.20.42.20.01.001 Bay 38 mm satin-finished and polished

38 mm satin-finished and polished 18K King Gold case

Water resistant to 5 bar (50 metres / 167 feet)

silver sunray dial

09 mm thick

Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 42 mm Steel And Sedna Gold Case - Unidirectional Bezel - Black Ceramic Dial - 210.20.42.20.01.001 Bay 38 mm satin-finished and polished42 mm stainless steel and 18K Sedna 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