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 36mm 2804.52.37 | Original Tags & Cards (serviced)

Omega Railmaster 36mm 2804.52.37 | Original Tags & Cards (serviced)

Omega - 2804.52.37 路 $5,301
The Omega Railmaster is an iconic watch with a no-nonsense 3-6-9 dial, designed to be practical and modest compared to other luxury watches.

  • Condition: Serviced
  • Diameter: 36mm
Posted at
Feb 21, 2026, 9:09 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Railmaster 40mm Ref. 220.12.40.20.03.001

Omega Seamaster Railmaster 40mm Ref. 220.12.40.20.03.001

Omega - 220.12.40.20.03.001 路 $3,800
This Omega Seamaster Railmaster features a blue gradient dial and is certified as a Master Chronometer by METAS.

  • Condition: Excellent overall condition
  • Case size: 40mm diameter
  • Case material: Stainless steel
  • Dial color: Blue gradient
Posted at
Feb 15, 2026, 9:16 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Railmaster XXL 49.2mm Watch Only

Omega Seamaster Railmaster XXL 49.2mm Watch Only

Omega - 2806.52.37 路 $3,500
Omega Seamaster Railmaster XXL watch, purchased from Watchesmiles just over a month ago.

  • Condition: great condition
  • Case Size: 49.2mm diameter
Posted at
Feb 13, 2026, 7:12 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Railmaster XXL 49.2mm

Omega Seamaster Railmaster XXL 49.2mm

Omega - Railmaster XXL
This listing does not contain a description of the watch.

  • Size: 49.2mm diameter
Posted at
Feb 13, 2026, 2:56 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Railmaster XXL 49.2mm

Omega Seamaster Railmaster XXL 49.2mm

Omega - Railmaster XXL 路 $3,500
A large Omega Seamaster Railmaster model with a unique design, sold as is without original packaging or documentation.

Posted at
Feb 13, 2026, 2:55 PM
Active
View listing on r/WatchExchange
[WTS] [Price Reduced] Omega Railmaster Silver 220.10.40.20.06.001 2023 Full Set Like New under omega warranty till 2028 - $2999 + 馃彿 馃敟

[Price Reduced] Omega Railmaster Silver 220.10.40.20.06.001 2023 Full Set Like New under omega warranty till 2028 - $2999 + 馃彿 馃敟

Omega - 220.10.40.20.06.001 路 $2,999
This is a discontinued Omega Railmaster model that's hard to find in this condition and still under warranty till 2028.

  • Condition: Like new
  • Warranty Expiration Date: 2028
  • Set Contents: Full set, half links, 3 Omega cards
Posted at
Feb 13, 2026, 12:39 PM
Active
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[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 路 $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
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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 路 $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 路 $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