Omega - Speedmaster Moonwatch Co-Axial Chronograph 44.25 mm - Black Ceramic Watch 311.63.44.51.06.001

44.25 mm black ceramic case, transparent back, 18K sedna gold bezel, sapphire crystal with anti-reflective treatment on both sides, grey dial, caliber 9300 self-winding movement with chronograph function, approximately 60 hours of power reserve, black leather strap with a brushed ceramic foldover clasp. Water resistant to 50 m (167 ft).