Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Red Gold Case - Brushed Bezel - Silver Dial - 331.50.42.51.02.002 Ladies 25 mm stainless steel and

25 mm stainless steel and 18K Sedna gold case

27 mm steel case

36 mm thick 18K pink gold and stainless steel case

unidirectional rotatable bezel with blue Cerachrom insert and platinum coated numerals and graduations

Automatic 2004

Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Red Gold Case - Brushed Bezel - Silver Dial - 331.50.42.51.02.002 Ladies 25 mm stainless steel and41. 5 mm 18K red 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 red gold bracelet. Water resistant to 100 m.