331.50.42.51.02.002Ref

The Speedmaster 57 is a modern tribute to Omega's first-generation Speedmasters, featuring straight lugs and a bezel with the tachymeter scale engraved. These same features were seen on early versions of the iconic chronograph, whereas later models adopted the swirling 'lyre' lugs and a separate inlay bezel still used today. Reference 331.50.42.51.02.002 has a red gold case and matching bracelet, and is powered by the 'deluxe' caliber 9301.