Omega Speedmaster Moonwatch Omega Co-Axial Chronograph Watch - 44.25 mm Black Ceramic Case - Brushed Ceramic Bezel - Black Dial - Black Coated Nylon Fabric Strap - 311.92.44.51.01.007 Cup caliber 9900 self-winding Co-Axial master

caliber 9900 self-winding Co-Axial master chronometer movement with chronograph and date functions

ring track in a circularly brushed finish and polished cabochons

convex sapphire crystal with antireflective coating on both sides

Tahiti mother-of-pearl dial with 12 diamond indexes in 18K yellow gold holders which match the polished facetted hands

unidirectional rotatable bezel with black Cerachrom insert and platinum coated numerals and graduations

Omega Speedmaster Moonwatch Omega Co-Axial Chronograph Watch - 44.25 mm Black Ceramic Case - Brushed Ceramic Bezel - Black Dial - Black Coated Nylon Fabric Strap - 311.92.44.51.01.007 Cup caliber 9900 self-winding Co-Axial master44. 25 mm black ceramic case, transparent back, brushed ceramic bezel with matt chromium nitride tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, black dial, calibre 9300 self winding chronograph movement with column wheel mechanism and co axial escapement for greater precision stability and durability, approximately 60 hours of power reserve, black coated nylon fabric strap, foldover buckle. Water