Omega Constellation Co-Axial Watch - 38 mm Steel Case - 18K Yellow Gold Bezel - Grey Dial - 123.20.38.21.06.001 46 a self-winding mechanical movement with

a self-winding mechanical movement with bidirectional rotor system that allows a power reserve of approximately 70 hours

rattrapante

black dial with stars

silver-toned dial with Grande Tapisserie" pattern

Omega Constellation Co-Axial Watch - 38 mm Steel Case - 18K Yellow Gold Bezel - Grey Dial - 123.20.38.21.06.001 46 a self-winding mechanical movement with38 mm stainless steel case, transparent back, 18k yellow gold bezel with engraved roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, grey dial with a date window at 3 oclock , caliber 8500 self winding movement, approximately 60 hours of power reserve, stainless steel bracelet with 18K yellow gold bars. Water resistant to 10 bar .