This Railmaster is based on the original antimagnetic watch designed for those working close to electrical fields. It retains the 1957 model's unpretentious style, but is powered by the Master Chronometer 8806 which can resist magnetic fields of up to 15, 000 gauss. This Pre-Owned Omega Railmaster Mens Watch features a 40mm (approximate size) stainless steel case fitted with a blue dial and sapphire crystal glass. Powered by an automatic movement, this stunning timepiece is also fitted with a stainless steel bracelet finished with a folding clasp for added security. This timepiece is water resistant to 150 metres. Pre-Owned Information Condition - Some signs of previous wear may be present on the watch and box. Packaging - Branded box and paperwork included. A master chronometer certificate, a pictogram card and an instruction manual included. Manufacturer Warranty - 4 years and 4 months remaining (as of November 2021).Year - March 2021. Bracelet Length (Including Case) - Approximately