Seamaster Railmaster Ref. 235.12.38.20.13.001

Omega Seamaster Railmaster Small Seconds 38 mm – Brown Dial

Overview

The Omega Seamaster Railmaster Co‑Axial Master Chronometer Small Seconds 38 mm is a heritage-inspired timepiece that combines vintage character with state-of-the-art horology. Originally created for railway staff and scientists exposed to magnetic fields, the modern Railmaster carries this legacy forward with anti-magnetic resistance up to 15,000 gauss and a striking vertical-brushed brown dial. Designed for those who appreciate both understated elegance and technical precision.

Design & Materials

• Case: Brushed stainless steel, 38 mm, compact and versatile for daily wear.
• Dial: Vertical-brushed chocolate brown dial with recessed small seconds sub-dial at 6 o’clock.
• Hour Markers: Beige Super-LumiNova vintage-style Arabic numerals and markers.
• Hands: Rail-track inspired steel hands with luminous treatment for legibility.
• Strap: Matching brown NATO-style fabric strap with stainless steel buckle.
• Aesthetic: Retro tool-watch charm with contemporary Master Chronometer precision.

Movement

• Caliber: Omega, Co‑Axial Master Chronometer certified movement.
• Functions: Hours, minutes, and small seconds at 6 o’clock.
• Power Reserve: 55 hours.
• Certification: METAS-certified Master Chronometer – magnetic resistance up to 15,000 gauss.

Technical Specifications

• Reference: 235.12.38.20.13.001
• Collection: Seamaster Railmaster
• Case: Stainless steel, 38 mm
• Dial: Brown vertical-brushed with small seconds
• Bezel: Fixed, brushed stainless steel
• Crystal: Domed sapphire crystal with anti-reflective coating on both sides
• Caseback: Transparent caseback showcasing the movement
• Strap: Brown fabric NATO-style strap
• Water Resistance: 150 meters / 500 feet
• Condition: New / Unworn
• Box & Papers: Full set with Omega presentation box and Master Chronometer certification

Prestige & Value

The Railmaster Small Seconds 38 mm is a distinctive nod to Omega’s industrial heritage, now elevated with modern anti-magnetic technology and Co‑Axial excellence. Its unique brown dial and refined proportions make it a rare gem for enthusiasts who appreciate vintage cues and modern craftsmanship in equal measure.