Omega
Speedmaster 57 Co-Axial Stainless Steel / Red Gold / Black / Bracelet
Ref. 331.20.42.51.01.002
The Omega Speedmaster '57 is a modern tribute to the first generation of Speedmaster chronographs, featuring straight lugs and an engraved tachymeter bezel reminiscent of early models. This reference (331.20.42.51.01.002) combines stainless steel and 18k rose gold, with a black dial and a chronograph movement equipped with Omega's Co-Axial escapement and chronometer certification.
crystalSapphire crystal
braceletStainless steel and 18k rose gold bracelet
movementOmega caliber 9300, automatic, chronograph, column wheel, Co-Axial escapement, chronometer, 60-hour power reserve
functionsHours, minutes, small seconds, date, chronograph
lug width20.00 mm
dial colorBlack
case diameter41.5 mm
case materialStainless steel and 18k rose gold
water resistance100 m (10 ATM)
year2013–2021
A registered Omega 331.20.42.51.01.002 carries a permanent RGATT passport: origin, history and owners, verifiable by anyone, and a documented history makes a watch easier to sell.