Omega Railmaster Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster Chronograph / China Explorer Yellow

Reference 2812.54.82

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster Chronograph / China Explorer Yellow is a limited-edition masterpiece that marries bold design with robust functionality. Crafted from high-quality stainless steel, this watch boasts a stunning black dial with arrow-shaped hands and mixed indexes. The sapphire crystal glass ensures durability and scratch resistance, while the closed case back maintains a sleek profile. At its heart lies the Omega caliber 3313 movement, renowned for its precision and reliability. Boasting a power reserve of 52 hours and a frequency of 28,800 vibrations per hour, it's designed for performance and longevity. The chronograph function offers smooth operation and precise timing, making it an excellent tool for those who need accuracy in their measurements. With a water resistance rating of 150 meters, this watch is perfect for water sports enthusiasts and everyday wearers alike. The stainless steel case and sapphire crystal ensure that the watch will remain in excellent condition even after years of use. This limited-edition piece holds its value exceptionally well, thanks to its exclusivity, craftsmanship, and performance.
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Key Features

  • Omega caliber 3313 automatic movement
  • Chronograph function with column wheel mechanism
  • Sapphire crystal glass for durability and scratch resistance
  • Water resistance of 150 meters
  • Limited edition of 351 units
  • Stainless steel case and bracelet
  • Adjustable stainless steel bracelet

Specifications

Brand
Omega
Family
Railmaster
Model
Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster Chronograph / China Explorer Yellow
Reference
2812.54.82
Movement
3313
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
  • Co-Axial Escapement
Case
Stainless Steel 42.2mm
Dial Color
Black
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
[WTS] Omega Railmaster 36mm

Omega Railmaster 36mm

Omega - 2804.52.37 · $6,700
A 36mm Omega Railmaster in very good condition, featuring a leather band and deployant clasp, along with a period correct bracelet.

  • Condition: Very good condition but shows signs of scratches and wear commensurate with age
  • Box: Inner and outer box included
  • Warranty Card: Warranty card included
  • Bracelet Size: 6 1/4 inch wrist size, adjustable with extra links
Posted at
Jan 29, 2026, 8:50 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