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 Carousel perpetual calendar with days displayed

perpetual calendar with days displayed by a retrograde hand

hand-stitched matt chocolate brown alligator strap with with square scales

sun-brushed grey dial with diamond hour markers and scratch-resistant saphire crystal

hand-stitched large square scale black crocodile strap with 18K gold pin buckle

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 Carousel perpetual calendar with days displayed44. 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