Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 42 mm Steel And Sedna Gold Case - Unidirectional Bezel - Blue Ceramic Dial - 210.20.42.20.03.002 Turquoise 5-stripe black and grey NATO

5-stripe black and grey NATO strap

24 mm brushed stainless steel case

42 mm steel case with helium escape valve

24 mm red gold case

Omega Seamaster Diver 300M Co-Axial Master Chronometer Watch - 42 mm Steel And Sedna Gold Case - Unidirectional Bezel - Blue Ceramic Dial - 210.20.42.20.03.002 Turquoise 5-stripe black and grey NATO42 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 blue 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