Omega Railmaster Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster / Bracelet

Reference 2503.52.00

About this watch

The Omega Railmaster 2503.52.00 is a masterpiece of luxury watchmaking, blending tradition with innovation. This elegant timepiece boasts an automatic movement featuring the Co-Axial escapement, ensuring accuracy and longevity. The sleek stainless steel case and striking black dial exude sophistication, while the sapphire crystal glass adds clarity and protection. With a water resistance of 150 meters, this versatile watch is perfect for both active lifestyles and professional environments. Its durability, comfort, and style make it an investment worth considering.
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MSRP: $3,250
Market Price: $2,957

Key Features

  • Automatic Omega caliber 2403 movement
  • Co-Axial escapement for accuracy and longevity
  • Sleek stainless steel case with 39.20 mm diameter
  • Striking black dial with mixed indexes and arrow hands
  • Sapphire crystal glass for clarity and protection
  • Water resistance of 150 meters
  • Adjustable stainless steel bracelet for comfort

Specifications

Brand
Omega
Family
Railmaster
Model
Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster / Bracelet
Reference
2503.52.00
Movement
2403
Movement Features
  • Hours, Minutes, Seconds
  • Co-Axial Escapement, Chronometer
Case
Stainless Steel 39.2mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Railmaster 2503.52 – 39mm (Neo-Vintage), first Railmaster reintroduced by Omega since the original 1957 model. $2899

Omega Seamaster Railmaster 2503.52 – 39mm (Neo-Vintage), first Railmaster reintroduced by Omega since the original 1957 model. $2899

Omega - 2503.52 · $2,899
The neo-vintage Railmaster is in the ideal 39mm sweet spot—and notably, the first Railmaster reintroduced by Omega since the original 1957 model. A clean, no-date black dial, strong lume, and a timeless tool-watch aesthetic that wears effortlessly on the wrist.

  • Condition: great condition
  • Case size: 39mm
  • Dial color: black
  • Bracelet fits wrist: approximately 7.5"
Posted at
Jan 9, 2026, 9:51 AM
Active
[WTS] OMEGA Railmaster 2503.52 – 39mm | Classic

OMEGA Railmaster 2503.52 – 39mm | Classic

OMEGA - 2503.52 · $2,975
The neo-vintage Railmaster in the sweet-spot 39mm size, with a timeless tool-watch aesthetic and nice lume.

  • Bracelet length: 7.5"
  • Case size: 39mm
  • Band type: OEM
Posted at
Jan 1, 2026, 3:01 PM
Active
[WTS] Omega Railmaster 36mm 2804.52.37 | Original Box & Papers (serviced)

Omega Railmaster 36mm 2804.52.37 | Original Box & Papers (serviced)

Omega - 2804.52.37 · $5,301
The Omega Railmaster is an iconic watch with a no-nonsense 3-6-9 dial, known for its practical and modest design that has remained largely unchanged since 1957.

  • Condition: Recently serviced, original box and papers included
  • Box And Papers: yes
  • Shipping Cost Us: 54
  • Shipping Cost Asia: 18
Posted at
Jan 9, 2026, 9:56 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