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 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 Railmaster 2502.52 41mm - $2,790

Omega Railmaster 2502.52 41mm - $2,790

Omega - 2502.52 · $2,790
Up for sale is my great condition Omega Railmaster 2502.52, which measures at 41mm and has an automatic Omega 2403 movement.

  • Condition: Very good condition for its age
  • Movement: Omega 2403 movement
  • Case size: 41mm diameter
  • Bracelet type: Original Omega steel bracelet
Posted at
May 4, 2026, 10:30 PM
Active
[WTS] Omega Railmaster – $3,200 – Forstner Bracelet

Omega Railmaster – $3,200 – Forstner Bracelet

Omega - Railmaster · $3,200
This Omega Railmaster is a fantastic everyday watch with a clean, understated design and one of Omega's best modern movements. It features an automatic movement and a 40mm case, making it super wearable and versatile.

  • Condition: Very good overall condition
  • Movement: Automatic Omega movement
  • Case size: 40mm diameter
  • Bracelet type: Forstner Oyster bracelet
Posted at
May 2, 2026, 11:08 AM
Active
[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
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