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

Reference 2103.52.00

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

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster Yellow Gold is a masterpiece of luxury timepieces, marrying precision with style. At its heart lies the Omega Caliber 2403, an automatic movement designed for accuracy and reliability. The watch features a Co-Axial escapement, reducing friction between moving parts and minimizing the need for frequent servicing. Its round shape and luxurious yellow gold finish exude sophistication, while the black dial offers both legibility and style. With a water resistance of 150 meters and sapphire glass, this watch is built for action yet durable. The Omega Seamaster Aqua Terra 150M is a versatile timepiece that adapts to your style, whether dressing up or keeping it casual. It's an investment in quality, heritage, and prestige, telling a story of innovation, craftsmanship, and beauty.
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Key Features

  • Omega Caliber 2403 automatic movement
  • Co-Axial escapement for accuracy and reliability
  • Yellow gold case with luxurious finish
  • Black dial with mixed indexes and arrow hands
  • Sapphire glass for scratch resistance
  • 150M water resistance for durability
  • Open case back for visibility

Specifications

Brand
Omega
Family
Railmaster
Model
Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster Yellow Gold / Bracelet
Reference
2103.52.00
Movement
2403
Movement Features
  • Hours, Minutes, Seconds
  • Co-Axial Escapement, Chronometer
Case
Yellow Gold 39.2mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
150

Current Listings

[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
[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
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[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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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