Omega Railmaster Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster Chronograph / Bracelet / China Explorer Yellow
Reference 2512.54.00
About this watch
When it comes to luxury watches, few names resonate as deeply as Omega. Today, we’re diving into the captivating world of the Omega Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster Chronograph, specifically the limited edition model 2512.54.00, also known as the China Explorer Yellow. This stunning piece is not just a timepiece; it's a statement. Crafted from high-quality stainless steel, the 2512.54.00 is built to last. It features a closed sapphire crystal back that not only protects the intricate movement but also signifies the meticulous craftsmanship that Omega is known for. At the core of this timepiece lies the impressive Omega caliber 3313. Diving deeper into the specifications, we find a column wheel chronograph with co-axial escapement. This is where the magic happens. Unlike traditional escapements, the co-axial escapement reduces friction, which in turn enhances the watch's precision and longevity. The black dial with mixed indexes provides an elegant and functional aesthetic. It boasts arrow hands, making it easy to read the time at a glance. The yellow accents add a unique flair, ensuring that this watch stands out in any collection. With a diameter of 42.20 mm and a lug width of 21.00 mm, this watch strikes a perfect balance. Whether you're at a formal event or out on an adventure, it fits right in. Notably, this watch has a power reserve of 52 hours, meaning you can take it off for the weekend and still have it ticking away come Monday morning! The Omega Seamaster Aqua Terra 150M isn’t just about looks; it packs a punch with its functionality as well.
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Key Features
- Limited edition of only 351 units
- Column wheel chronograph with co-axial escapement
- Power reserve of 52 hours
- Water resistance of 150 meters
- High-quality stainless steel case
- Closed sapphire crystal back
- Black dial with mixed indexes and arrow hands
Specifications
- Brand
- Omega
- Family
- Railmaster
- Model
- Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster Chronograph / Bracelet / China Explorer Yellow
- Reference
- 2512.54.00
- Movement
- 3313
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph, Column wheel
- Co-Axial Escapement
- Case
- Stainless Steel 42.2mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] price reduction! 2026 Full Set Omega Railmaster 235.10.38.20.06.001](https://preview.redd.it/5qvx2pqv061h1.jpg?width=640&crop=smart&auto=webp&s=c6040503b61f43ebff13126bd648704690ad4e08)
price reduction! 2026 Full Set Omega Railmaster 235.10.38.20.06.001
This Omega Railmaster features a 38mm steel case with a gray gradient dial and is available for sale in excellent pre-owned condition. The watch includes a full set of accessories, making it an attractive option for those looking to purchase this model.
- Condition: excellent pre-owned condition
- Case size: 38mm diameter
- Bracelet material: steel
- Dial color: gray gradient
![[WTS] Omega Seamaster Railmaster](https://preview.redd.it/ei1p92kse01h1.jpg?width=640&crop=smart&auto=webp&s=1b6be5e689bfddc8cd4a03233954d085b6243fad)
Omega Seamaster Railmaster
The Omega Seamaster Railmaster is a highly legible watch with everyday versatility, known for its functionality and simplicity.
- Condition: good with normal wear on the case
- Bracelet type: AM Uncle Seiko bracelet
- Movement: Co-Axial 8806
![[WTS] Omega Railmaster 2502.52 41mm - $2,690](https://preview.redd.it/vimetwkvoe0h1.jpg?width=640&crop=smart&auto=webp&s=baf83ab8abf81c6e2f961698010820f11a73b69c)
Omega Railmaster 2502.52 41mm - $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
![[WTS] 2026 Full Set Omega Seamaster Railmaster 235.10.38.20.06.001](https://preview.redd.it/bqka0a8lvc0h1.jpg?width=640&crop=smart&auto=webp&s=2b206010ae65dfedc7bdf06758a00efdd5fbdd97)
2026 Full Set Omega Seamaster Railmaster 235.10.38.20.06.001
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
![[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
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