Description
The Omega Seamaster Railmaster, reference 220.10.40.20.01.001, is a modern interpretation of one of Omega’s most historically significant tool watches. Originally introduced in 1957 as part of Omega’s legendary “Professional Trilogy” alongside the Speedmaster and Seamaster 300, the Railmaster was designed specifically for engineers, scientists, and railway professionals working in environments exposed to strong magnetic fields. This contemporary 40mm model faithfully honours the original while incorporating Omega’s latest innovations in movement technology and anti-magnetic performance.
The matte black dial is inspired by vintage Railmaster models, featuring a clean, symmetrical layout with large luminous Arabic numerals at the cardinal positions, recessed minute track, and distinctive broad-arrow hour hand. The aged-toned Super-LumiNova enhances the watch’s vintage aesthetic while providing exceptional legibility in low-light conditions. Paired with a brushed stainless steel bracelet, the Railmaster delivers a refined yet understated look that is equally suited to everyday wear and professional environments.
Powering the watch is Omega’s in-house Master Chronometer Calibre 8806, an automatic movement certified by METAS for outstanding precision, reliability, and resistance to magnetic fields of up to **15,000 gauss**. Operating at 25,200 vibrations per hour, the movement offers approximately **55 hours of power reserve** and features Omega’s Co-Axial escapement, free-sprung balance, and silicon balance spring. With no need for a traditional soft-iron inner case, the movement itself provides exceptional anti-magnetic performance while allowing the watch to retain a slim and elegant profile.
Presented in mint condition and accompanied by its complete set, this Omega Seamaster Railmaster 220.10.40.20.01.001 is an outstanding choice for collectors and enthusiasts seeking a refined sports watch with genuine historical significance. Combining timeless design, exceptional mechanical engineering, and industry-leading anti-magnetic technology, the Railmaster remains one of Omega’s most understated and technically impressive modern timepieces.
Functions: Hours, Minutes, Seconds, Chronometer, Anti-Magnetic. This pre-owned luxury Omega Seamaster Railmaster has been referenced against all technical documents and manufacturer records were available to ensure authenticity and a clean history. Pre-owned timepiece. MINT CONDITION. Includes original Omega box and papers. Backed by a 12 month Grand Timepiece warranty. Style: Luxury. Model: 220.10.40.20.01.001 More photos coming soon!
Accompanying your purchase is a tax invoice and a valuation certificate for Insurance purposes. All our products have full provenance and will be accompanied by their original box and papers where possible or service papers by the Brand itself. Our watches are sold with a 12 Months Warranty or alternatively the balance of manufacturer’s warranty where applicable. We have been selling pre-owned luxury timepieces since 2015 and do all our due diligence to ensure the timepieces are authentic and have a clean history.
