Omega Railmaster Seamaster Aqua Terra 150M Co-Axial 36.2 Railmaster / Bracelet

Reference 2504.52.00

Omega Seamaster Aqua Terra 150M Co-Axial 36.2 Railmaster / Bracelet

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 36.2 Railmaster is a sophisticated piece of horology that combines elegance, functionality, and cutting-edge technology. Its round stainless steel case strikes a balance between boldness and understated elegance, while the sleek black dial creates a striking contrast that makes the watch both sporty and sophisticated. At the heart of this timepiece is the Omega caliber 2403, a version of the renowned caliber 2500, featuring a Co-Axial escapement that reduces friction and enhances accuracy. With a power reserve of 48 hours and a frequency of 25,200 vibrations per hour, this automatic movement is designed to keep you on time. Whether you're diving into the deep blue sea or attending a formal event, this watch won't let you down. Its chronometer certification ensures that it meets stringent accuracy standards, making it a reliable companion in any situation. With a water resistance rating of 150 meters, the Seamaster Aqua Terra is built for aquatic adventures and features a comfortable fit with its 36.2 mm case size, making it a versatile choice for diverse wrist sizes.
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MSRP: $2,980
Market Price: $4,063

Key Features

  • Round stainless steel case
  • Omega caliber 2403 movement
  • Co-Axial escapement
  • Chronometer certification
  • Water resistance up to 150 meters
  • Comfortable fit with 36.2 mm case size
  • Sleek black dial with mixed indexes

Specifications

Brand
Omega
Family
Railmaster
Model
Seamaster Aqua Terra 150M Co-Axial 36.2 Railmaster / Bracelet
Reference
2504.52.00
Movement
2403
Movement Features
  • Hours, Minutes, Seconds
  • Co-Axial Escapement, Chronometer
Case
Stainless Steel 36.2mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Railmaster 2502.52 41mm - $2,590

Omega Railmaster 2502.52 41mm - $2,590

Omega - 2502.52 · $2,590
Up for sale is my great condition Omega Railmaster 2502.52, measuring at 41mm with an automatic Omega 2403 movement.

  • Condition: Very good condition for its age
  • Case size: 41mm
  • Movement type: Automatic
  • Bracelet material: Steel
Posted at
May 17, 2026, 9:36 PM
Active
View listing on r/WatchExchange
[WTS] price reduction! 2026 Full Set Omega Railmaster 235.10.38.20.06.001

price reduction! 2026 Full Set Omega Railmaster 235.10.38.20.06.001

Omega - 235.10.38.20.06.001 · $3,999
This Omega Railmaster features a 38mm steel case with a gray gradient dial and is available for sale in excellent pre-owned condition. The watch includes a full set of accessories, making it an attractive option for those looking to purchase this model.

  • Condition: excellent pre-owned condition
  • Case size: 38mm diameter
  • Bracelet material: steel
  • Dial color: gray gradient
Posted at
May 14, 2026, 4:47 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Railmaster

Omega Seamaster Railmaster

Omega - 235.12.38.20.06.001 · $4,400
The Omega Seamaster Railmaster is a highly legible watch with everyday versatility, known for its functionality and simplicity.

  • Condition: good with normal wear on the case
  • Bracelet type: AM Uncle Seiko bracelet
  • Movement: Co-Axial 8806
Posted at
May 13, 2026, 9:55 PM
Active
View listing on r/WatchExchange
[WTS] Omega Railmaster 2502.52 41mm - $2,690

Omega Railmaster 2502.52 41mm - $2,690

Omega - 2502.52 · $2,690
This Omega Railmaster 2502.52 is a 41mm automatic watch with an Omega 2403 movement.

  • Condition: Very good condition for its age
  • Case size: 41mm diameter
  • Movement type: Automatic Omega 2403 movement
Posted at
May 10, 2026, 8:53 PM
Active
View listing on r/WatchExchange
[WTS] 2026 Full Set Omega Seamaster Railmaster 235.10.38.20.06.001

2026 Full Set Omega Seamaster Railmaster 235.10.38.20.06.001

Omega - 235.10.38.20.06.001 · $4,299
A 2026 Omega Railmaster with a 38mm steel case and gray gradient dial, complete with a full set of accessories.

  • Condition: Excellent pre-owned condition
  • Case size: 38mm diameter
  • Bracelet material: steel
  • Dial color: gray gradient
Posted at
May 10, 2026, 2:46 PM
Active
View listing on r/WatchExchange
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