OMEGA 220.12.40.20.06.001 Seamaster Railmaster 5-Year Warranty Grey Automatic Swiss MovementProduct Highlights Omega was founded in 1848 when a watch workshop was established in La Chaux de Fonds, Switzerland. The Seamaster, with the oldest history among Omega's four major series, offers a wide range of models and designs that cater to everything from serious waterproof watches to everyday use. The Railmaster is a practical yet elegant watch designed for people working near railways and magnetic fields. The case back features a fixed