Omega Speedmaster Moonwatch Omega Co-Axial Chronograph Watch - 44.25 mm Black Ceramic Case - Black Dial - Black Nylon Strap - 311.92.44.51.01.005 Specialities bezel with a silicon nitride

bezel with a silicon nitride ring and brushed OMEGA Ceragold™ tachymeter scale

silver dial with 1 Roman numeral and blued steel hands

red gold mother-of-pearl dial with a wavy pattern extending from the iconic claws and 12 diamond indexes

4 mm 18K white gold case

manual-winding Omega 1863 movement with chronograph and small seconds (original movement that was worn on the moon)

Omega Speedmaster Moonwatch Omega Co-Axial Chronograph Watch - 44.25 mm Black Ceramic Case - Black Dial - Black Nylon Strap - 311.92.44.51.01.005 Specialities bezel with a silicon nitride44. 25 mm black ceramic case, transparent back, black ceramic bezel, sapphire crystal with anti reflective treatment on both sides, black dial, caliber 9300 self winding movement with chronograph function, approximately 60 hours of power reserve, black nylon strap. Water resistant to 50 m (167 ft).