Omega Railmaster Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Black Alligator

Reference 2812.52.31

About this watch

The Omega Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph is a masterpiece of elegance and functionality combined. Its sleek design and robust features cater to both the adventurous spirit and the connoisseur's taste. The black alligator leather strap adds sophistication, while the stainless steel case exudes durability. The round shape and 42.20 mm diameter give it a commanding presence on the wrist. The dial shines with mixed indexes and arrow-shaped hands against a striking black background. The chronograph feature allows for precision timing, making it a joy to use. With a column wheel mechanism, this self-winding movement boasts a frequency of 28,800 vibrations per hour and a power reserve of 55 hours, ensuring accuracy and reliability. The 150m water resistance rating means it's built to handle any situation. This watch is not just a statement piece but also a companion that's perfect for both casual day outs and formal evening events.
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Key Features

  • Stainless Steel Case
  • Sapphire Crystal
  • Omega Caliber 3205 Movement
  • 150m Water Resistance
  • Chronograph Function
  • Column Wheel Mechanism
  • Black Alligator Leather Strap

Specifications

Brand
Omega
Family
Railmaster
Model
Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Black Alligator
Reference
2812.52.31
Movement
3205
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
Case
Stainless Steel 42.2mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
150

Current Listings

Omega Seamaster Railmaster Brand New stickered Full Set Open Card [WTS]

Omega Seamaster Railmaster Brand New stickered Full Set Open Card

The Omega Seamaster Railmaster is a steel watch with a grey dial and chronometer/Co-axial self-winding mechanical movement, powered by the Caliber 8806 and featuring a 44mm diameter case.

  • Condition: Brand New
  • Movement type: chronometer/Co-axial self-winding mechanical movement
  • Case diameter: 44 MM
  • Dial color: Grey
Posted at
Dec 10, 2025, 7:09 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