Omega Railmaster Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster Yellow Gold / Bracelet
Reference 2103.52.00
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) (ref. 2802.52. 37). In excellent condition. 41mm/21mm lug/ last service by Omega March ‘20. Includes original box, papers, clasp, band, service documents and replaced parts. For sale on Chron24 $3,300.](https://external-preview.redd.it/6Tnqg_ObrimNPkOhYCv_3BO5Ukzt7M71-ZPkYNJaThk.jpeg?auto=webp&s=f8e9185a10b8b496e09dcb3033cbdc84284bf066)
(Omega) (Railmaster) (ref. 2802.52. 37). In excellent condition. 41mm/21mm lug/ last service by Omega March ‘20. Includes original box, papers, clasp, band, service documents and replaced parts. For sale on Chron24 $3,300.
This Omega Railmaster features a 41mm case size and last service in March 2020.
- Condition: Excellent condition
- Diameter: 41mm
- Lug Width: 21mm
![[WTS] (Omega) (Railmaster) (Ref. 2802.52.37) in excellent condition. Listed on Chron24. 41mm/ 21mm lug/ 11mm thk/ last serviced by Omega 06/20/ . Includes original box, papers, clasp, strap and service documents plus replaced parts returned.](https://external-preview.redd.it/3xpM7Q1ARoCVMDitNUmdj9ryj5_3brYDH4eQVWZvocM.jpeg?auto=webp&s=03926ed278f3010b99c0a2960efa1a98fcd41d4f)
(Omega) (Railmaster) (Ref. 2802.52.37) in excellent condition. Listed on Chron24. 41mm/ 21mm lug/ 11mm thk/ last serviced by Omega 06/20/ . Includes original box, papers, clasp, strap and service documents plus replaced parts returned.
This Omega Railmaster is a 41mm watch with 21mm lug width and 11mm thickness, last serviced by Omega in June 2020.
- Condition: Excellent condition
- Case size: 41mm diameter
- Lug width: 21mm
- Thickness: 11mm

Omega Railmaster - 38mm - Brown Dial - 235.10.38.20.13.001 ( new / 2025 )
Up for sale is a brand new Omega Seamaster Railmaster 38mm Brown Dial with Small Seconds, reference # 235.10.38.20.13.001. It comes complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated June 2025.
- Condition: Brand New
- Case size: 38mm
- Movement: Calibre 8804 Master Co-Axial Movement

Omega Railmaster - 38mm - Grey Dial - 235.10.38.20.06.001 ( new / 2025 )
The Omega Seamaster Railmaster is a stainless steel watch with a grey dial, featuring a 38mm case and Calibre 8806 Master Co-Axial Movement.
- Condition: Brand New
- Case size: 38mm
- Movement: Calibre 8806 Master Co-Axial
- Dial color: Grey
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
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