Omega Railmaster Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Bracelet

Reference 2512.52.00

Omega Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Bracelet

About this watch

The Omega Railmaster 2512.52.00 is a masterpiece of luxury watchmaking, boasting a robust yet elegant design, perfect for everyday wear. Its stainless steel case is proportioned to perfection, featuring a black dial with functional and stylish indexes, while the arrow hands ensure precise timekeeping. The self-winding column-wheel operated chronograph movement, Omega caliber 3205, operates at 28,800 vibrations per hour and boasts a power reserve of 55 hours. With its water resistance of 150 meters, this watch is built for adventure, yet it doesn't compromise on style. Whether you're dressing up or keeping it casual, the Omega Railmaster fits the bill. Its sapphire glass and stainless steel construction make it designed to withstand the test of time, with a robust yet refined aesthetic that's perfect for daily wear. This isn't just a watch; it's a statement piece that showcases your appreciation for quality and style.
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MSRP: $4,850
Market Price: $2,642

Key Features

  • Omega caliber 3205 self-winding chronograph movement
  • 42.20 mm stainless steel case
  • 150 m water resistance
  • Sapphire glass crystal
  • Column-wheel operated chronograph function
  • 55 hour power reserve

Specifications

Brand
Omega
Family
Railmaster
Model
Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Bracelet
Reference
2512.52.00
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 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
View listing on r/WatchExchange
[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
View listing on r/WatchExchange
[WTS] Omega Seamaster Railmaster

Omega Seamaster Railmaster

Omega - 235.12.38.20.06.001 · $4,400
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
View listing on r/WatchExchange
[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
View listing on r/WatchExchange
[WTS] Omega Railmaster 40mm – Full Kit + Forstner Oyster Bracelet – $3,600 OBO

Omega Railmaster 40mm – Full Kit + Forstner Oyster Bracelet – $3,600 OBO

Omega - 220.10.40.20.01.001 · $3,600
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
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[WTS] Omega Seamaster Aqua Terra Railmaster 2504.52 — $6800— Catch & Release, Serviced by Omega, Full Set

Omega Seamaster Aqua Terra Railmaster 2504.52 — $6800— Catch & Release, Serviced by Omega, Full Set

Omega - 2504.52 · $6,800
This Omega Seamaster Aqua Terra Railmaster is a 36mm stainless steel watch featuring a black dial, automatic movement, and an Omega 1575 stainless steel bracelet.

  • Condition: Excellent, minimal wear
  • Case material: Stainless steel
  • Diameter: 36mm
  • Lug width: 19mm
Posted at
Apr 22, 2026, 12:40 AM
Active
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Omega Railmaster - 220.10.40.20.03.001 - Blue - Steel - 40mm - Mint

Omega Railmaster - 220.10.40.20.03.001 - Blue - Steel - 40mm - Mint

Omega - 220.10.40.20.03.001 · $3,795
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
View listing on RolexForums
NO TRADES: Omega '57 Trilogy Railmaster. $5030

NO TRADES: Omega '57 Trilogy Railmaster. $5030

Omega - '57 Trilogy Railmaster · $5,030
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
View listing on RolexForums