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

Reference 2812.52.37

About this watch

The Omega Railmaster 2812.52.37 Seamaster Aqua Terra 150M Automatic 42.2 Chronograph is a masterpiece of luxury watchmaking, combining stunning design with robust performance and rich heritage. Its round stainless steel case measures 42.2 mm, featuring a black dial with mixed indexes and arrow hands, providing exceptional readability. The Omega caliber 3205 self-winding chronograph movement is a marvel of engineering, delivering smooth, precise chronograph functionality and exceptional accuracy. With a water resistance rating of 150 meters, this watch can handle anything life throws at it. Its brown alligator leather strap adds a touch of luxury and comfort, making it the perfect companion for any occasion.
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MSRP: $4,750
Market Price: $2,559

Key Features

  • 42.2mm round stainless steel case
  • Black dial with mixed indexes and arrow hands
  • Omega caliber 3205 self-winding chronograph movement
  • 150m water resistance rating
  • Brown alligator leather strap
  • Sapphire glass cover for durability and scratch resistance

Specifications

Brand
Omega
Family
Railmaster
Model
Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Brown Alligator
Reference
2812.52.37
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

[WTS] Omega Railmaster 40mm Black Dial Full Set $2800

Omega Railmaster 40mm Black Dial Full Set $2800

A versatile GADA/tool watch for everyday wear, with a black dial and 40mm case.

Posted at
Aug 23, 2025, 6:07 PM
Active
Omega Railmaster 2503.52 39mm

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A Omega Railmaster in 39mm, purchased a few years ago and mostly kept as a safe queen. It has been worn about a dozen times and appears to keep good time.

  • Condition: Pre-owned, minor wear
  • Box Papers: yes
  • Worn Times: a dozen
  • Water Resistance: 200m
Posted at
Aug 17, 2025, 6:34 PM
Active
Omega Railmaster 40mm Black Dial Full Set

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Omega - Railmaster · $2,900.003
A high-quality Omega Railmaster 40mm Black Dial watch designed for daily wear, with a history of being worn. It comes with its full set, including boxes, manual, hang tag, eBay authentication card, and extra links.

  • Condition: Used, with wabi and marks on the bezel at 1 o'clock
  • Length: 7.15 inches
  • Wrist Size Adjustment: extra links bring it up close to 7.75 inches
Posted at
Aug 17, 2025, 12:53 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
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