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Omega
Seamaster Railmaster 220.12.40.20.01.001
Median resale value
$3,995
Based on 7 listings — treat as indicative
$3,381middle 50% of listings$5,632+
Based on 7 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.
7 active listings. Median asking price $3,995. The middle 50% ask between $3,773 and $4,324.
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 | $3,381 | 15% below the median price | View on eBay |
 | eBay | 10/23/2026 | Good | Unknown | $3,575 | 11% below the median price | View on eBay |
 | eBay | 10/7/2026 | Good | Unknown | $3,970 | 1% below the median price | View on eBay |
 | eBay | 10/11/2026 | Good | Unknown | $3,995 | At the median price | View on eBay |
 | eBay | 10/7/2026 | New | Unknown | $4,258 | 7% above the median price | View on eBay |
 | eBay | 10/9/2026 | Good | Unknown | $4,390 | 10% above the median price | View on eBay |
 | eBay | 10/26/2026 | Good | Unknown | $5,712 | 43% above the median price | View on eBay |
 | eBaySold | 8/29/2026 | Good | Unknown | $4,170 | 4% above the median price | Sold10/8/2026 |
 | eBaySold | 8/26/2026 | Good | Unknown | $4,306 | 8% above the median price | Sold10/8/2026 |
 | eBaySold | 8/17/2026 | New | Unknown | $4,554 | 14% above the median price | Sold10/8/2026 |
We currently track 10 listings for the Omega Seamaster Railmaster 220.12.40.20.01.001, with prices ranging from $3,381 – $5,712, from eBay.
The Omega Seamaster Railmaster 220.12.40.20.01.001 is a distinguished timepiece that exemplifies Omega's commitment to precision and style. This model features a robust 40mm stainless steel case, known for its durability and resistance to corrosion, making it an ideal companion for both adventurous and everyday wear. The sleek black dial is complemented by luminous hour markers and hands, ensuring excellent legibility in various lighting conditions. Incorporating a self-winding Co-Axial Master Chronometer movement, this watch offers exceptional accuracy and reliability, a hallmark of Omega's engineering excellence. The Railmaster's design pays homage to Omega's rich heritage, originally crafted for professionals in the field, and it seamlessly blends functionality with elegance. With a comfortable stainless steel bracelet, the Omega Seamaster Railmaster is designed for all-day wear, running true to size for most wrists. This model stands out in the Seamaster collection, known for its versatility and timeless appeal, making it a coveted piece for both collectors and newcomers to the brand.
The Omega Seamaster Railmaster 220.12.40.20.01.001 is a pre-owned Omega watch available for purchase across multiple resale platforms. Shop 10 active listings with prices ranging from $3,381 – $5,712. Find this item on eBay. Listings are available in Good and New condition, so you can choose the quality and price point that suits you.
Current market prices by condition and authenticity, based on active listings.
| Condition | Listings | Price range |
|---|---|---|
| Good | 6 | $3,381 – $5,712avg $4,170 |
| New | 1 | $4,258avg $4,258 |
| Status | Listings | Price range |
|---|---|---|
| UnknownListings where authentication status is not specified | 7 | $3,381 – $5,712avg $4,183 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 7 | $29.3K |
| Total | 7 | $29.3K |
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.
