Omega
Seamaster Railmaster Co-Axial Master Chronometer
Ref. 220.10.40.20.03.001
The Omega Seamaster Railmaster 220.10.40.20.03.001 is a modern reinterpretation of the brand's 1957 Railmaster, designed for professionals exposed to magnetic fields. It features a 40mm stainless steel case, a blue dial with a vertically brushed finish, and Omega's Co-Axial Master Chronometer movement (caliber 8806), offering high precision and resistance to magnetic fields up to 15,000 gauss. Introduced in 2018, it blends vintage inspiration with contemporary watchmaking technology.
crystalSapphire crystal with anti-reflective coating on both sides
braceletStainless steel bracelet
movementOmega caliber 8806, Co-Axial Master Chronometer, automatic, 55-hour power reserve
lug width20.0 mm
dial colorBlue
case diameter40.0 mm
case materialStainless steel
water resistance150 meters
year2018
A registered Omega 220.10.40.20.03.001 carries a permanent RGATT passport: origin, history and owners, verifiable by anyone, and a documented history makes a watch easier to sell.