Omega Railmaster Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster Yellow Gold / Brown Alligator / China Train

Reference 2608.52.31

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster is an exquisite timepiece that embodies elegance, precision, and exclusivity. With only 1,895 units manufactured between 2003 and 2010, this limited edition piece is a rare gem that many enthusiasts covet. The yellow gold case radiates luxury, while the black dial provides a striking contrast that enhances readability. The arrow-shaped hands not only add character but also ensure that you can tell the time at a glance. This watch strikes the perfect balance between a bold presence and comfortable wear, making it a versatile addition to any wardrobe. At the heart of this timepiece is the Omega caliber 2403, an automatic movement featuring a Co-Axial escapement and chronometer certification, ensuring precision and reliability. With a power reserve of 48 hours, you can confidently take this watch off for a weekend without worrying about it stopping. The use of sapphire glass adds to the durability of the watch, making it perfect for those who enjoy aquatic activities. Every Omega watch is a testament to the brand's rich heritage and commitment to craftsmanship, reflecting the artistry that has made Omega a leader in the luxury watch industry. This timepiece stands out in a crowded market of luxury watches with its exquisite design, impressive movement, and limited availability, making it an investment in a legacy.
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Key Features

  • Yellow gold case
  • Black dial with mixed indexes
  • Arrow-shaped hands
  • Automatic Omega caliber 2403 movement
  • Co-Axial escapement
  • Chronometer certification
  • Sapphire crystal glass

Specifications

Brand
Omega
Family
Railmaster
Model
Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster Yellow Gold / Brown Alligator / China Train
Reference
2608.52.31
Movement
2403
Movement Features
  • Hours, Minutes, Seconds
  • Co-Axial Escapement, Chronometer
Case
Yellow Gold 39.2mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] (2021) Mint Omega Seamaster Railmaster 40mm Grey Dial 220.10.40.20.06.001 $2,600

(2021) Mint Omega Seamaster Railmaster 40mm Grey Dial 220.10.40.20.06.001 $2,600

This Omega Seamaster Railmaster is a 2021 model with a grey dial and 40mm case size, offered for sale in full set condition including box and papers.

  • Condition: lightly used with very little signs of use
  • Case size: 40mm diameter
  • Year: 2021
  • Condition notes: very little signs of use
Posted at
Dec 6, 2025, 11:54 PM
Active
[WTS] Omega Railmaster 36mm 2804.52.37 | Original Box & Papers (serviced)

Omega Railmaster 36mm 2804.52.37 | Original Box & Papers (serviced)

Omega - 2804.52.37 · $5,301
Up for sale is the iconic Omega Railmaster (36mm) 2804.52.37, featuring a no nonsense 3-6-9 dial and practical design compared to the Rolex Explorer.

  • Condition: Serviced, with original box and papers
  • Diameter: 36mm
Posted at
Dec 4, 2025, 9:30 AM
Active
[WTS] Omega Railmaster Black Dial on Delugs CTS Rubber

Omega Railmaster Black Dial on Delugs CTS Rubber

Omega - 22010402001001 · $2,699
The Omega Railmaster is a robust and rugged engineer's watch, available in this 40mm Black Dial version. It features a co-axial master chronometer movement and comes with the full kit minus warranty.

  • Condition: very good, with minor wear (8/10)
  • Strap included: Delugs CTS black rubber strap with deployment ($145 value)
  • Lug wear: minor
  • Back of lugs condition: mostly worn
Posted at
Dec 3, 2025, 6:46 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