Omega Railmaster Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster / Black Alligator
Reference 2802.52.31
About this watch
The Omega Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster / Black Alligator (model 2802.52.31) is a luxury timepiece that embodies precision and innovation, blending the sporty essence of the Railmaster with the elegance of a dress watch. Crafted from high-quality stainless steel, the case feels robust and durable, featuring a sapphire crystal that's scratch-resistant and an open case back revealing the intricate movement inside. This automatic movement, Omega's caliber 2403, is designed for accuracy and reliability, with a Co-Axial escapement reducing friction and increasing longevity. With a power reserve of 48 hours, you can comfortably take this watch off for a weekend without worrying about winding it. The precision is top-notch, ensuring you're always on time. This watch is surprisingly lightweight, making it perfect for all-day wear. The black alligator strap adds a touch of sophistication, making it versatile enough for both formal and casual settings. Whether you're in a suit or a casual t-shirt, the Omega Seamaster Aqua Terra 150M Co-Axial enhances your style without being overpowering. With its timeless design, reliable movement, and versatility, it's an investment that will serve you well for years to come.
Key Features
- Omega caliber 2403 automatic movement
- Sapphire crystal scratch-resistant
- Water resistance up to 150 meters
- 42.2 mm diameter stainless steel case
- 48-hour power reserve
- Co-Axial escapement for increased longevity
Specifications
- Brand
- Omega
- Family
- Railmaster
- Model
- Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster / Black Alligator
- Reference
- 2802.52.31
- Movement
- 2403
- Movement Features
-
- Hours, Minutes, Seconds
- Co-Axial Escapement, Chronometer
- Case
- Stainless Steel 42.2mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] ~2020 Omega Seamaster Railmaster 220.10.40.20.01.001](https://preview.redd.it/en9ejf2qeuzg1.jpg?width=640&crop=smart&auto=webp&s=2c03dc59141542f3fbb3117252e0be20bf50a461)
~2020 Omega Seamaster Railmaster 220.10.40.20.01.001
The Omega Seamaster Railmaster offers one of the cleanest, most understated designs in Omega’s modern lineup, pairing vintage-inspired styling with Master Chronometer performance and exceptional everyday versatility.
- Condition: Very Good pre-owned condition
- Case material: brushed steel
- Diameter: 40mm
- Movement rating: Master Chronometer
![[WTS] Omega Railmaster 2502.52 41mm - $2,790](https://preview.redd.it/zx4hdn6vc8zg1.jpg?width=640&crop=smart&auto=webp&s=591d53dd39b139561de41d3484ae097203d2ddb7)
Omega Railmaster 2502.52 41mm - $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
![[WTS] Omega Railmaster – $3,200 – Forstner Bracelet](https://preview.redd.it/0ckcm3jcpqyg1.jpg?width=640&crop=smart&auto=webp&s=77bf5ffd653d736022466363f842b8f73730e55a)
Omega Railmaster – $3,200 – Forstner Bracelet
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
![[WTS] Omega Seamaster Railmaster](https://preview.redd.it/9eam30hr11yg1.jpg?width=640&crop=smart&auto=webp&s=bb19b0b2154a0153b93f4424055545ade123a4d1)
Omega Seamaster Railmaster
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
![[WTS] Omega Seamaster Railmaster, Grey/Silver, 40mm (full set- box and papers)](https://preview.redd.it/kjldhufwm0yg1.jpeg?auto=webp&s=ba41059465a24a841717c1e769642b33d12e751a)
Omega Seamaster Railmaster, Grey/Silver, 40mm (full set- box and papers)
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
![[WTS] Omega Railmaster 40mm – Full Kit + Forstner Oyster Bracelet – $3,600 OBO](https://preview.redd.it/7rgyg86ozxxg1.jpg?width=640&crop=smart&auto=webp&s=31e36a2df93adce6f6abf5da23117265f10caef8)
Omega Railmaster 40mm – Full Kit + Forstner Oyster Bracelet – $3,600 OBO
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
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