Omega Constellation Co-Axial Watch - 38 mm Steel Case - 18K Yellow Gold Bezel - Grey Dial - 123.20.38.21.06.001 -Silvery domed scratch-resistant sapphire crystal anti-reflective

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

bezel with engraved Roman numerals

Oyster 20mm bracelet

29 mm yellow gold case with anti-magnetic protection

approximately 48 hours of power reserve

Omega Constellation Co-Axial Watch - 38 mm Steel Case - 18K Yellow Gold Bezel - Grey Dial - 123.20.38.21.06.001 -Silvery domed scratch-resistant sapphire crystal anti-reflective38 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 .