Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Steel Case - Yellow Gold Bezel - Grey Diamond Dial - Grey Leather Strap - 304.23.44.52.06.001 Ladymatic 25 mm platinum case with

25 mm platinum case with anti-magnetic protection

screw-down crown with triplock triple waterproofness system

blued steel hands

nine sided crown set with a sapphire

Omega Speedmaster Moonphase Master Chronometer Chronograph Watch - 44.25 mm Steel Case - Yellow Gold Bezel - Grey Diamond Dial - Grey Leather Strap - 304.23.44.52.06.001 Ladymatic 25 mm platinum case with44. 25 mm stainless steel case with anti magnetic properties, transparent back, 18K yellow gold crown and push pieces, 18K yellow gold bezel with green ceramic ring and Ceragold tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, grey sun brushed dial with diamond polished 18K yellow gold indexes and hands, caliber 9904 self winding Co Axial master chronometer movement with chronograph and moonphase