Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Red Gold Case - Brushed Bezel - Silver Dial - 331.50.42.51.02.002 Macaw caliber 1904-CH MC automatic movement

caliber 1904-CH MC automatic movement with sword-shaped hands in blued steel

2 mm rose gold case

dark grey alligator strap with QuickSwitch bracelet interchangeability system

calibre 2500 self-winding movement with co-axial escapement movement with rhodium-plated finish

brown dial with luminous hour markers and dots

Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Red Gold Case - Brushed Bezel - Silver Dial - 331.50.42.51.02.002 Macaw caliber 1904-CH MC automatic movement41. 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.