Omega Railmaster Railmaster Omega Co-Axial Master Chronometer 40 Stainless Steel / Grey / Bracelet

Reference 220.10.40.20.01.001

About this watch

The Omega Railmaster 220.10.40.20.01.001 is a stunning example of luxury watchmaking, blending sophistication with cutting-edge technology. At its heart lies the Omega Caliber 8806, a self-winding movement featuring a Co-Axial escapement and Master Chronometer certification. This watch boasts exceptional resistance to magnetic fields up to 15,000 gauss, making it perfect for everyday wear. Its round shape and matte grey finish exude classic elegance, while stick hands and dot indexes provide a striking look. Crafted from stainless steel, the Railmaster is robust yet stylish, with a height of 12.65 mm and water resistance rating of 150 meters. Whether you're dressing up or down, this watch complements any outfit, making it a timeless piece for years to come. With its blend of advanced technology, stunning aesthetics, and practical features, the Omega Railmaster is a worthy addition to any watch collection.
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MSRP: $5,700
Market Price: $2,811

Key Features

  • Omega Caliber 8806 self-winding movement
  • Co-Axial escapement with Master Chronometer certification
  • Magnetic field resistance up to 15,000 gauss
  • Round shape and matte grey finish
  • Stainless steel construction
  • Sapphire crystal glass for scratch resistance
  • Water resistance rating of 150 meters

Specifications

Brand
Omega
Family
Railmaster
Model
Railmaster Omega Co-Axial Master Chronometer 40 Stainless Steel / Grey / Bracelet
Reference
220.10.40.20.01.001
Movement
8806
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 40mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Railmaster 36mm 2804.52.37 | Original Omega certificates (serviced)

Omega Railmaster 36mm 2804.52.37 | Original Omega certificates (serviced)

Omega - 2804.52.37 · $5,301
The Omega Railmaster is an iconic watch with a no nonsense 3-6-9 dial, making it practical and modest compared to the Rolex Explorer. Its design has remained relatively unchanged since 1957.

  • Condition: serviced
  • Diameter: 36mm
  • Certificates: original
  • Shipping Us: 52
Posted at
Feb 12, 2026, 9:08 AM
Active
[WTS] 2017 OMEGA Seamaster Railmaster 40MM Blue Dial Steel Bracelet

2017 OMEGA Seamaster Railmaster 40MM Blue Dial Steel Bracelet

A 2017 OMEGA Seamaster Railmaster with a blue dial, 40mm in size. The watch is in good condition despite some minor flaws.

  • Condition: Used, with minor cosmetic damage
  • Missing Items: International warranty card, inner box, outer box flap
Posted at
Feb 5, 2026, 8:19 PM
Active
[WTS] Omega Seamaster Railmaster Blue Dial 40mm (Ref. 220.12.40.20.03.001) – Like New – Full Kit

Omega Seamaster Railmaster Blue Dial 40mm (Ref. 220.12.40.20.03.001) – Like New – Full Kit

For sale is an Omega Seamaster Railmaster featuring the blue brushed dial on the original Omega denim-style fabric strap, powered by Omega's Co-Axial Master Chronometer Caliber 8806.

  • Condition: Like New
  • Case diameter: 40mm
  • Water resistance: 150m
  • Power reserve: 55 hours
Posted at
Feb 1, 2026, 3:34 PM
Active
[WTS] Omega Railmaster 40mm Full set, warranty until 2028 220.10.40.20.06.001

Omega Railmaster 40mm Full set, warranty until 2028 220.10.40.20.06.001

This Omega Railmaster features a 40mm case with a lug width of 20mm, making it suitable for most wrist sizes and easy to change straps.

  • Condition: great condition
  • Case size: 40mm
  • L2l: 47mm
  • Lug width: 20mm
Posted at
Jan 31, 2026, 8:16 PM
Active
Omega Railmaster  - 220.10.40.20.03.001 - Blue - Steel - 40mm - Mint

Omega Railmaster - 220.10.40.20.03.001 - Blue - Steel - 40mm - Mint

This Omega Railmaster is a pre-owned, mint condition watch with a blue dial and stainless steel case. It has a 40mm diameter and features an automatic movement.

  • Condition: Pre-Owned - Mint
  • Case Size: 40mm diameter
  • Bracelet Type: Stainless Steel
  • Movement Type: Automatic
Posted at
Mar 10, 2025, 12:58 AM
Active
NO TRADES:  Omega '57 Trilogy Railmaster.      $5030

NO TRADES: Omega '57 Trilogy Railmaster. $5030

A brand new Omega '57 Trilogy Railmaster purchased in September 2024.

  • Condition: Light scratches
  • Bracelet condition: light scratches on bracelet and clasp
  • Warranty: USA only
Posted at
Mar 7, 2025, 1:00 PM
Active