Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Red Gold Case - Brushed Bezel - Silver Dial - 331.50.42.51.02.002 Special caliber 3603 self-winding movement with

caliber 3603 self-winding movement with chronograph features with a small seconds sub-dial

Automatic Racing

caliber E15 quartz movement

paved with diamonds and emeralds

Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Red Gold Case - Brushed Bezel - Silver Dial - 331.50.42.51.02.002 Special caliber 3603 self-winding movement with41. 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.