Omega Speedmaster 57 Co-Axial Stainless Steel / Black / Bracelet
Ref. 331.10.42.51.01.001
The Speedmaster 57 is a modern ode to Omega's first generation of Speedmasters. It features a case with straight lugs and a bezel with the tachymeter scale engraved. The same features were found on early versions of Omega's iconic chronograph, while later models feature the swirling 'lyre' lugs and a bezel with separate inlay still in use today. As reference

Diameter41.5mm
Thickness16.5mm
Water Resistance100m
Power Reserve60hrs
Case & Dimensions
Diameter41.5 mm
Thickness16.5 mm
MaterialStainless Steel
Water Resistance100 m
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Movement
CaliberOmega 9300
ManufacturerOmega
TypeAutomatic
Power Reserve60 hours
Frequency28,800 bph
Jewels54
Complicationshoursminutessmall secondsdatechronometerco-axial escapement
Also Known As
Cal. 9300Caliber9300Caliber
Production
Introduced2020
StatusCurrent Production
Authentication Intelligence
Authentication Markers (40)
Bezel Detail(4)Bracelet Detail(2)case_detail(6)clasp_codeCrown Detail(3)Crystal Detail(4)Dial Detail(10)Lume Detail(3)Movement Tell(6)Serial Number Format