Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Yellow Gold Case - Silvery Diamond Dial - Black Leather Strap - 304.63.44.52.02.001 XVII flat scratch-resistant sapphire crystal anti-reflective

flat scratch-resistant sapphire crystal anti-reflective treatment on both sides

Water resistant to 15 bar

Caliber Omega 8807 self-winding movement with a co-axial escapement

silvered dial with vintage OMEGA logo and blued hands

Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Yellow Gold Case - Silvery Diamond Dial - Black Leather Strap - 304.63.44.52.02.001 XVII flat scratch-resistant sapphire crystal anti-reflective44. 25 mm 18K yellow gold case with anti magnetic properties, transparent back, 18K yellow gold bezel with black ceramic ring and Ceragold tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, opaline silvery dial with diamond polished 18K yellow gold indexes and hands, caliber 9905 self winding Co Axial master chronometer movement with chronograph and moonphase indication, approximately 60 hours of power