Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer Watch - 55 x 48 mm Titanium Case - Bi-Directional Bezel - Grade 5 Titanium Dial - An Additional Grey Rubber Strap - 227.90.55.21.99.002 Watch/42mm 18K pink gold key crown

18K pink gold key crown set with a blue synthetic spinel

33 mm hammered 18K white gold case

featuring a 40mm 950 platinum case with a screw-down back adorned with Rolex fluting

green lacquered dial

Case Back Transparent Case Details White ceramic case

Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer Watch - 55 x 48 mm Titanium Case - Bi-Directional Bezel - Grade 5 Titanium Dial - An Additional Grey Rubber Strap - 227.90.55.21.99.002 Watch/42mm 18K pink gold key crown55 x 48 mm titanium case with helium escape valve, transparent back, bi directional rotating bezel ring, flat scratch resistant sapphire crystal anti reflective treatment on both sides, grade 5 titanium dial with varnished orange and white hands, Caliber Omega 8912 self winding movement with co axial escapement, chronometer, approximately 60 hours of power reserve, titanium bracelet. Water resistant to 120 bar (1200 metres 4000 feet). Delivered in a