Omega
Seamaster Railmaster Co-Axial Master Chronometer 40mm
Ref. 220.10.40.20.06.001
The Omega Seamaster Railmaster 220.10.40.20.06.001 is a modern reinterpretation of the classic 1957 Railmaster, designed for professionals exposed to magnetic fields. It is notable for its Master Chronometer certification, ensuring precision and resistance to magnetic fields up to 15,000 gauss. The watch features a distinctive vertically brushed silver dial and a robust stainless steel case with a closed 'Naiad lock' case back.
crystalSapphire
braceletStainless steel bracelet
movementOmega caliber 8806, automatic, Co-Axial escapement, Master Chronometer, 55 hours power reserve
functionsHours, Minutes, Seconds, Chronometer
lug width20.00 mm
dial colorSilver (vertically brushed)
case diameter40.00 mm
case materialStainless Steel
water resistance150 meters
year2017
A registered Omega 220.10.40.20.06.001 carries a permanent RGATT passport: origin, history and owners, verifiable by anyone, and a documented history makes a watch easier to sell.