Omega · Family: Railmaster
The Omega Railmaster ref. 235.10.38.20.06.001 is the 38mm steel version of Omega's anti-magnetic watch, relaunched in 2025 with an Aqua Terra-style case, a gradient-effect dial, and a Co-Axial Master Chronometer caliber resistant to magnetic fields up to 15,000 gauss. Cazador has no verified price observations yet; at launch, Omega priced the central-seconds version on bracelet at EUR 6,000. Its differential: our sources disagree on whether this exact reference is the grey or beige dial — we flag that as unverified.
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Omega fully relaunched the Railmaster collection in 2025, sixteen years after the previous generation debuted in 2017 to mark the 60th anniversary of the original 1957 model. The new collection shares its case with the Seamaster Aqua Terra: 38mm in diameter, 12.36mm thick, and 45mm lug-to-lug, with the twisted lugs characteristic of the Aqua Terra line rather than the plainer design of the original Railmaster.
The 2025 collection is offered in two gradient-effect dial colors — grey and beige — and two movement configurations: Calibre 8804 with small seconds and a 60-hour power reserve, or Calibre 8806 with central seconds and a 55-hour power reserve. Both are in-house Co-Axial Master Chronometer movements, METAS-certified (Metrology and Testing Institute of Switzerland) to run between 0 and +5 seconds a day, with resistance to magnetic fields up to 15,000 gauss — fifteen times higher than the original 1957 Railmaster, the figure that gives the collection its historical purpose, originally aimed at railway engineers and workers exposed to electromagnetic machinery.
The specialized sources consulted for this profile don't agree on the exact dial-and-strap pairing for reference 235.10.38.20.06.001: one source describes it as a grey dial on the steel bracelet, while another describes it as a beige dial on a leather strap. Given that discrepancy, we flag the dial color as unverified rather than arbitrarily picking one version; the rest of the technical case and movement specifications match across the sources we consulted.
The three-link, brushed-and-polished bracelet closes with a 17mm butterfly clasp with pushers and a 2mm comfort-adjustment system; the collection is also offered on black or Novonappa leather straps.
At its 2025 launch, Omega priced the central-seconds bracelet version at EUR 6,000; that figure is a historical launch price, not a current market valuation. As of this writing, the reference remains in Omega's current catalog.
Cazador has no verified market price observations for this reference. At its 2025 launch, Omega priced the central-seconds bracelet version at EUR 6,000, but that is a historical figure, not a current market read.
Sources disagree: some describe it as grey, others as beige, for this exact refCode. We flag that data point as unverified rather than picking a version without solid backing.
Up to 15,000 gauss, fifteen times higher than the original 1957 Railmaster, thanks to its Co-Axial Master Chronometer construction certified by METAS.
The 8804 has small seconds and a 60-hour power reserve; the 8806 has central seconds and a 55-hour power reserve. Both share METAS certification and Co-Axial architecture.
Yes, to 150 meters, a generous rating for an anti-magnetic sports-dress watch.
In 2025, sixteen years after the previous generation launched in 2017, with a case shared with the Seamaster Aqua Terra.
The name comes from the original 1957 model, designed to shield railway engineers and other professionals exposed to electromagnetic machinery from magnetic interference.