Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Yellow Gold Case - Brushed Bezel - Silver Dial - 331.50.42.51.02.001 Lady Minute markers encircle the periphery

Minute markers encircle the periphery

unidirectional rotating grey ceramic bezel with grey silicon nitride and Liquidmetal diving scale

this timepiece is fortified with a screw-down back and crown featuring the triplock triple waterproofness system

blending sophistication with advanced technology

grey ruthenium-toned inner bezel

Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Yellow Gold Case - Brushed Bezel - Silver Dial - 331.50.42.51.02.001 Lady Minute markers encircle the periphery41. 5 mm 18K yellow gold case, transparent back, brushed bezel with with tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, silver dial, self winding chronometer Omega 9301 movement with Co Axial Escapement, chronograph, date, and small seconds, approximately 60 hours of power reserve, 18K yellow gold bracelet. Water resistant to 100 m.