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Omega Seamaster Railmaster 38mm vs Omega Railmaster, Modern 40mm

Omega Seamaster Railmaster 38mm
220.12.38.20.01.001
Omega Railmaster, Modern 40mm
Omega Railmaster, Modern 40mm
220.12.40.20.03.001

Side-by-side at a glance. Click a watch above to open the full reference page.

Omega 220.12.38.20.01.001Omega 220.12.40.20.03.001
ModelSeamaster Railmaster 38mmRailmaster, Modern 40mm
CaliberOmega Co-Axial Master Chronometer Caliber 8806 (automatic, anti-magnetic 15,000 gauss, 55-hour power reserve)Omega Cal. 8400 -- Co-Axial Master Chronometer automatic, 25,200bph, 60h PR, 30j; METAS-certified, anti-magnetic to 15,000 gauss; used in Seamaster 300 and Railmaster
Case size38mm40mm
Lug-to-lug44mm46mm
Years produced2020–present2020–present
Brand tierluxuryluxury
Eramodernmodern
Movement tierIn-house manufactureIn-house manufacture
Market median (excellent / full-set)n/an/a
Typical rangen/an/a
Confidencelowlow
Categoriessport, dresspilot, sport
Editorialyesyes

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Omega Seamaster Railmaster 38mm vs Omega Railmaster, Modern 40mm | comparison | Grail Atlas