Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Steel Case - Sedna Gold Bezel - Brown Diamond Dial - Brown Leather Strap - 304.23.44.52.13.001 Green gold hour markers and hands

gold hour markers and hands and a date display at three o'clock

Caliber Omega 8805 self winding movement with co-axial escapement

including the iconic Calibre 5 and Calibre 16

all models in the range are designed with open water activities in mind

blue dial with Roman numerals and index hour markers

Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Steel Case - Sedna Gold Bezel - Brown Diamond Dial - Brown Leather Strap - 304.23.44.52.13.001 Green gold hour markers and hands44. 25 mm stainless steel case with anti magnetic properties, transparent back, 18K Sedna gold crown and push pieces, 18K Sedna gold bezel with brown ceramic ring and Ceragold tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, brown sun brushed dial with diamond polished 18K Sedna gold indexes and hands, caliber 9904 self winding Co Axial master chronometer movement with chronograph and moonphase