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Omega
Seamaster Railmaster 220.12.40.20.06.001
Median resale value
$4,348
Based on 8 listings — treat as indicative
$3,634middle 50% of listings$6,981+
Based on 8 listings — treat as indicative
Every active listing we track, bucketed by asking price. The band you buy in tells you more than the average does.
8 active listings. Median asking price $4,348. The middle 50% ask between $3,965 and $4,441.
Counts here cover listings with a known price, so they can be lower than the active total above.
| Listing | Posted | Condition | Authenticity | Price ↑ | vs median | ||
|---|---|---|---|---|---|---|---|
 | eBay | 10/6/2026 | Good | Unknown | $3,634 | 16% below the median price | View on eBay |
 | Watchfinder | 10/20/2026 | Good | AuthenticatedWatchfinder manufacturer-certified inspection | $3,750 | 14% below the median price | View on Watchfinder |
 | eBay | 10/6/2026 | Good | Unknown | $4,037 | 7% below the median price | View on eBay |
 | eBay | 10/17/2026 | Good | Unknown | $4,345 | At the median price | View on eBay |
 | eBay | 10/19/2026 | New | Unknown | $4,350 | At the median price | View on eBay |
 | eBay | 10/11/2026 | Like New | Unknown | $4,423 | 2% above the median price | View on eBay |
 | eBay | 10/9/2026 | Like New | Unknown | $4,497 | 3% above the median price | View on eBay |
 | eBay | 10/14/2026 | New | Unknown | $7,168 | 65% above the median price | View on eBay |
 | eBaySold | 8/13/2026 | New | Unknown | $3,750 | 14% below the median price | Sold9/23/2026 |
 | eBaySold | 8/16/2026 | New | Unknown | $4,280 | 2% below the median price | Sold9/27/2026 |
 | eBaySold | 8/16/2026 | New | Unknown | $5,840 | 34% above the median price | Sold10/8/2026 |
We currently track 11 listings for the Omega Seamaster Railmaster 220.12.40.20.06.001, with prices ranging from $3,634 – $7,168 across platforms including eBay and Watchfinder.
The Omega Seamaster Railmaster 220.12.40.20.06.001 is a distinguished timepiece that exemplifies Omega's commitment to precision and style. Part of the Seamaster collection, this model features a robust 40mm stainless steel case that seamlessly combines functionality with elegance. The striking gray dial is complemented by luminous hour markers and hands, ensuring visibility in various lighting conditions. Crafted for durability, the Railmaster is water-resistant up to 150 meters, making it suitable for both everyday wear and aquatic adventures. The automatic movement guarantees reliability and accuracy, hallmarks of Omega's Swiss watchmaking heritage. The watch is fitted with a comfortable and adjustable stainless steel bracelet, enhancing its versatility for any occasion. The design ethos of the Railmaster reflects Omega's rich history in producing watches that cater to professionals and enthusiasts alike, making it a timeless addition to any collection. With its classic aesthetic and modern engineering, the Omega Seamaster Railmaster is a perfect choice for those seeking a blend of sophistication and performance.
The Omega Seamaster Railmaster 220.12.40.20.06.001 is a pre-owned Omega watch available for purchase across multiple resale platforms. Shop 11 active listings with prices ranging from $3,634 – $7,168. Find this item on eBay and Watchfinder. Listings are available in Good, Like New, and New condition, so you can choose the quality and price point that suits you. 1 listing is professionally authenticated, giving you added peace of mind when buying pre-owned.
Current market prices by condition and authenticity, based on active listings.
| Condition | Listings | Price range |
|---|---|---|
| Good | 4 | $3,634 – $4,345avg $3,942 |
| Like New | 2 | $4,423 – $4,497avg $4,460 |
| New | 2 | $4,350 – $7,168avg $5,759 |
| Status | Listings | Price range |
|---|---|---|
| Authenticated / VerifiedListings with third-party authentication or platform verification | 1 | $3,750avg $3,750 |
| UnknownListings where authentication status is not specified | 7 | $3,634 – $7,168avg $4,636 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 7 | $32.5K |
| Watchfinder & Co. | 1 | $3.8K |
| Total | 8 | $36.2K |
Listing counts in the condition and platform tables are filtered subsets (listings with a known condition or price). The “active listings” figure at the top of the page reflects all tracked active listings and may be higher.
