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] Omega Railmaster 36 2504.52](https://preview.redd.it/i72ky63dvs3h1.jpg?width=640&crop=smart&auto=webp&s=a268dca5f4e7b840e62551fbfd98e8285f94d14b)
Omega Railmaster 36 2504.52
A 36mm Omega Railmaster from 2007 in excellent condition with a few age-related imperfections.
- Condition: Excellent with some minor cosmetic damage and potential servicing needed
- Year of production: 2007
- Case size: 36mm
- Crown threads issue: Yes (may need servicing)
![[WTS] Omega Railmaster 2803.52.31 Full Set with Box & Papers, Freshly Serviced](https://preview.redd.it/fje19w528k3h1.jpg?width=640&crop=smart&auto=webp&s=702302361baaa08677f6353e91145b4291772fce)
Omega Railmaster 2803.52.31 Full Set with Box & Papers, Freshly Serviced
This Omega Railmaster from the early 2000s features a classic 39.2mm design, dating back to 2006. The watch has been recently serviced and comes with a brand new grey leather strap.
- Condition: Superb
- Year: 2006
- Case size: 39.2mm
![[WTS] Omega Railmaster 2502.52 41mm - $2,490](https://preview.redd.it/eq6kgwhxx63h1.jpg?width=640&crop=smart&auto=webp&s=508f5d61efdd93d1fa666efd060f25fd1057e996)
Omega Railmaster 2502.52 41mm - $2,490
Up for sale is my great condition Omega Railmaster 2502.52, This watch measures at 41mm and has an automatic Omega 2403 movement.
- Condition: Very good condition for its age
- Case size: 41mm diameter
- Movement: Automatic Omega 2403
![[WTS] Omega Railmaster. Clean. Full kit.](https://preview.redd.it/wt9t9gshdw2h1.jpeg?auto=webp&s=7b49c7108940ad22631339a0c97a54e54798d665)
Omega Railmaster. Clean. Full kit.
The Omega Railmaster is a full kit with box and papers, available for sale from WatchExchange Enterprises in NJ USA.
- Box papers: true
![[WTS] 40mm Omega Seamaster Railmaster Black Dial - Ref 220.12.40.20.01.001 - FULL KIT (Box & Cards)](https://preview.redd.it/dj9azrhmip2h1.jpg?width=640&crop=smart&auto=webp&s=1be821e1a8660ed86092ef3a0b6b34da86b671e9)
40mm Omega Seamaster Railmaster Black Dial - Ref 220.12.40.20.01.001 - FULL KIT (Box & Cards)
The Omega Seamaster Railmaster features a black dial with vertical linear-brushed texture, recessed vintage-colored lume markers, and a signature 'lollipop' seconds hand. It has been an honest daily-wear tool watch.
- Condition: Daily-wear tool watch with visible scuffs on the bezel and top-left lug
- Movement: METAS-certified Calibre 8806
![[WTS] Omega Railmaster 2503.52 39mm - $2,490](https://preview.redd.it/2ljov897dn2h1.jpg?width=640&crop=smart&auto=webp&s=c9c04ee772bd8455f56632ee20de289f2831d248)
Omega Railmaster 2503.52 39mm - $2,490
This Omega Railmaster 2503.52 is a steel cased watch on an original Omega Steel bracelet, featuring a sapphire crystal and a dial with minor damage.
- Condition: 8.9/10 - minor damage on dial, patina on hands, minimal hairlines
- Case Size: 39mm diameter
- Bracelet Size Fit: up to 7-7.25 inch wrists depending on wrist shape
- Shipping Method: Fedex Priority Shipping
![[WTS] Omega Railmaster 2502.52 41mm - $2,590](https://preview.redd.it/5n96ebq7us1h1.jpg?width=640&crop=smart&auto=webp&s=905f79081787159819df4c9802d43ef7eb6e92a0)
Omega Railmaster 2502.52 41mm - $2,590
Up for sale is my great condition Omega Railmaster 2502.52, measuring at 41mm with an automatic Omega 2403 movement.
- Condition: Very good condition for its age
- Case size: 41mm
- Movement type: Automatic
- Bracelet material: Steel
![[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
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