Omega Constellation Globemaster Co-Axial Master Chronometer Watch - 39 mm Steel Case - Fluted Bezel - Silver Dial - 130.30.39.21.02.001

39 mm stainless steel case, transparent back, fluted bezel, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, opaline silver 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 center links. Water resistant to 100 m (330 ft).