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

Reference 220.10.40.20.06.001

About this watch

The Omega Railmaster Co-Axial Master Chronometer 40 stands as a testament to Omega's dedication to quality and innovation. With its impressive specifications, stylish design, and robust performance, it's a watch that truly has it all. If you're looking for a timepiece that embodies the spirit of adventure while offering reliability and elegance, the Railmaster should definitely be on your radar.
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MSRP: $5,700
Market Price: $2,825

Key Features

  • Omega Caliber 8806 self-winding movement
  • Co-Axial escapement with reduced friction
  • 55-hour power reserve
  • 40mm stainless steel case with matte finish
  • Sapphire glass for clarity and scratch resistance
  • 150m water resistance
  • Silver dial with stick and dot indexes
  • Master Chronometer certification by METAS

Specifications

Brand
Omega
Family
Railmaster
Model
Railmaster Omega Co-Axial Master Chronometer 40 Stainless Steel / Silver / Bracelet
Reference
220.10.40.20.06.001
Movement
8806
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 40mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Railmaster

Omega Seamaster Railmaster

A beautiful Omega Seamaster Railmaster in overall good condition, known for its highly legible dial and everyday versatility.

  • Condition: Good condition with some normal wear on the case
  • Size: 38mm diameter
  • Movement: Co-Axial 8806
Posted at
Apr 28, 2026, 8:51 PM
Active
[WTS] Omega Seamaster Railmaster, Grey/Silver, 40mm (full set- box and papers)

Omega Seamaster Railmaster, Grey/Silver, 40mm (full set- box and papers)

Omega - Railmaster · $2,999
A stealth ultimate tool watch with classic looks that cleans up very nice, has a sleek and sporty design.

  • Condition: Excellent, pre-owned
  • Case size: 40mm
  • Year bought: 2025
Posted at
Apr 28, 2026, 7:28 PM
Active
[WTS] Omega Railmaster 40mm – Full Kit + Forstner Oyster Bracelet – $3,600 OBO

Omega Railmaster 40mm – Full Kit + Forstner Oyster Bracelet – $3,600 OBO

The Omega Railmaster 40mm features the METAS-certified Master Chronometer caliber 8806 and anti-magnetic resistance up to 15,000 gauss. It is a modern tool watch that is often underrated.

  • Condition: very good condition, with only light signs of wear from normal rotation
  • Bracelet1: Original Omega stainless
  • Bracelet2: Forstner Oyster (excellent upgrade)
  • Water Resistance: 150m
Posted at
Apr 28, 2026, 10:34 AM
Active
[WTS] Omega Seamaster Aqua Terra Railmaster 2504.52 — $6800— Catch & Release, Serviced by Omega, Full Set

Omega Seamaster Aqua Terra Railmaster 2504.52 — $6800— Catch & Release, Serviced by Omega, Full Set

Omega - 2504.52 · $6,800
This Omega Seamaster Aqua Terra Railmaster is a 36mm stainless steel watch featuring a black dial, automatic movement, and an Omega 1575 stainless steel bracelet.

  • Condition: Excellent, minimal wear
  • Case material: Stainless steel
  • Diameter: 36mm
  • Lug width: 19mm
Posted at
Apr 22, 2026, 12:40 AM
Active
[WTS] Omega Seamaster Railmaster, Grey/Silver, 40mm (full set- box and papers)

Omega Seamaster Railmaster, Grey/Silver, 40mm (full set- box and papers)

Omega - Railmaster · $3,200
A sleek and sporty GADA watch that has a lot to offer under the hood. It's a stealth ultimate tool watch that cleans up nicely.

  • Condition: excellent, pre-owned with minor signs of wear
  • Case size: 40mm
  • Serial number available: true
Posted at
Apr 21, 2026, 12:25 AM
Active
[WTS] Omega Seamaster Railmaster Grey Dial

Omega Seamaster Railmaster Grey Dial

This Omega Railmaster has a 38mm steel case on a steel bracelet with a gray gradient dial, and includes a full set of accessories.

  • Condition: Excellent pre-owned condition
  • Case size: 38mm diameter
  • Bracelet material: steel
  • Dial color: gray gradient
Posted at
Apr 19, 2026, 4:38 PM
Active
[WTS] Omega Railmaster 39mm 2503.52 for $2580 shipped!

Omega Railmaster 39mm 2503.52 for $2580 shipped!

Omega - 2503.52 · $2,580
The Omega Seamaster Railmaster 39mm delivers a simple design with its 3-6-9-12 markers and arrow indices, making it the ultimate everyday watch.

  • Condition: Satisfactory
  • Case Size: 39mm
  • Lug To Lug: 47mm
  • Movement Type: No Date Co-Axial Automatic
Posted at
Apr 19, 2026, 11:02 AM
Active
[WTS] Omega Railmaster Denim Dial on Bracelet - Omega Travel Box & Extra Strap Included - $2475

Omega Railmaster Denim Dial on Bracelet - Omega Travel Box & Extra Strap Included - $2475

A versatile Omega Railmaster Denim Dial on a bracelet with 150M water resistance and a 40mm case size that wears well. The watch is in good condition with minor signs of wear.

  • Condition: Used, minimal wear
  • Case diameter: 40mm
  • Water resistance: 150m
  • Bracelet size: 7-7.25 inch
Posted at
Apr 19, 2026, 8:55 AM
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