The Omega Seamaster Railmaster 235.12.38.20.13.001, introduced in 2025, continues the Railmaster line from 1957. It has a 38mm brushed-and-polished steel case (44.92mm lug-to-lug, 12.36mm thick), domed anti-reflective sapphire, 150m water resistance, and a golden brown Novonappa calf leather strap with foldover clasp. The beige-to-black gradient dial features vintage Super-LumiNova and small seconds at 6; the self-winding Master Chronometer Calibre 8804 provides ~55h, METAS, 15,000 gauss, and a sapphire caseback.
Shape
Round
Lug Distance
19.00 mm
Material
Stainless Steel
Glass
Dial Color
Beige
Sapphire
Thickness
12.36 mm
Diameter
38.00 mm
Water Resistance
150.00 m