Omega Style No: 130.20.39.21.02.001 Omega Constellation Globemaster Co-Axial Master Chronometer Watch - 39 mm Steel And Yellow Gold Case - Yellow Gold Fluted Bezel - Silvery Dial - Steel Bracelet

39 mm stainless steel and yellow gold case, transparent back, yellow gold crown, yellow gold fluted bezel, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, opaline silvery dial with Pie Pan design, caliber 8900 self-winding Co-Axial master chronometer movement with date function, approximately 60 hours of power reserve, stainless steel bracelet with slightly curved yellow gold center links. Water resistant to 100 m (330 ft).