Omega Railmaster Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Black Alligator
Reference 2812.52.31
About this watch
The Omega Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph is a masterpiece of elegance and functionality combined. Its sleek design and robust features cater to both the adventurous spirit and the connoisseur's taste. The black alligator leather strap adds sophistication, while the stainless steel case exudes durability. The round shape and 42.20 mm diameter give it a commanding presence on the wrist. The dial shines with mixed indexes and arrow-shaped hands against a striking black background. The chronograph feature allows for precision timing, making it a joy to use. With a column wheel mechanism, this self-winding movement boasts a frequency of 28,800 vibrations per hour and a power reserve of 55 hours, ensuring accuracy and reliability. The 150m water resistance rating means it's built to handle any situation. This watch is not just a statement piece but also a companion that's perfect for both casual day outs and formal evening events.
Buy Now on Jomashop
This is an affiliate link
Key Features
- Stainless Steel Case
- Sapphire Crystal
- Omega Caliber 3205 Movement
- 150m Water Resistance
- Chronograph Function
- Column Wheel Mechanism
- Black Alligator Leather Strap
Specifications
- Brand
- Omega
- Family
- Railmaster
- Model
- Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph / Black Alligator
- Reference
- 2812.52.31
- Movement
- 3205
- Movement Features
-
- Hours, Minutes, Small Seconds
- Chronograph, Column wheel
- 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