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Omega
Seamaster Diver 300 M 210.90.42.20.01.001
Median resale value
$8,755
$5,690middle 50% of listings$10,298+
Every active listing we track, bucketed by asking price. The band you buy in tells you more than the average does.
30 active listings. Median asking price $8,755. The middle 50% ask between $7,679 and $9,100.
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 | 9/24/2026 | Good | Unknown | $5,690 | 35% below the median price | View on eBay |
 | eBay | 9/21/2026 | Good | Unknown | $6,563 | 25% below the median price | View on eBay |
 | eBay | 10/11/2026 | Good | Unknown | $6,701 | 23% below the median price | View on eBay |
 | eBay | 10/6/2026 | New | Unknown | $7,165 | 18% below the median price | View on eBay |
 | eBay | 9/23/2026 | Good | Unknown | $7,186 | 18% below the median price | View on eBay |
 | Watchfinder | 8/5/2026 | Good | AuthenticatedWatchfinder manufacturer-certified inspection | $7,435 | 15% below the median price | View on Watchfinder |
 | eBay | 9/25/2026 | Good | Unknown | $7,495 | 14% below the median price | View on eBay |
 | eBay | 10/10/2026 | Good | Unknown | $7,601 | 13% below the median price | View on eBay |
 | eBay | 10/7/2026 | Good | Unknown | $7,915 | 10% below the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $7,965 | 9% below the median price | View on eBay |
 | eBay | 10/9/2026 | Good | Unknown | $8,100 | 7% below the median price | View on eBay |
 | eBay | 10/7/2026 | New | Unknown | $8,450 | 3% below the median price | View on eBay |
 | eBay | 9/23/2026 | Good | Unknown | $8,499 | 3% below the median price | View on eBay |
 | Watchfinder | 10/6/2026 | Good | AuthenticatedWatchfinder manufacturer-certified inspection | $8,570 | 2% below the median price | View on Watchfinder |
 | eBay | 10/7/2026 | Good | Unknown | $8,749 | At the median price | View on eBay |
 | Watchfinder | 8/26/2026 | Good | AuthenticatedWatchfinder manufacturer-certified inspection | $8,760 | At the median price | View on Watchfinder |
 | Watchfinder | 10/6/2026 | Good | AuthenticatedWatchfinder manufacturer-certified inspection | $8,820 | 1% above the median price | View on Watchfinder |
 | eBay | 10/15/2026 | Good | Unknown | $8,841 | 1% above the median price | View on eBay |
 | eBay | 9/23/2026 | Good | Unknown | $8,994 | 3% above the median price | View on eBay |
 | eBay | 9/22/2026 | Good | Unknown | $8,995 | 3% above the median price | View on eBay |
 | eBay | 10/21/2026 | Good | Unknown | $8,999 | 3% above the median price | View on eBay |
 | eBay | 10/8/2026 | Good | Unknown | $9,000 | 3% above the median price | View on eBay |
 | eBay | 10/16/2026 | Good | Unknown | $9,133 | 4% above the median price | View on eBay |
 | Watchfinder | 10/6/2026 | Good | AuthenticatedWatchfinder manufacturer-certified inspection | $9,325 | 7% above the median price | View on Watchfinder |
We currently track 35 listings for the Omega Seamaster Diver 300 M 210.90.42.20.01.001, with prices ranging from $5,690 – $10,420 across platforms including eBay and Watchfinder.
The Omega Seamaster Diver 300 M 210.90.42.20.01.001 is a quintessential timepiece that embodies the spirit of adventure and luxury synonymous with the Omega brand. Renowned for its robust design, this watch features a 42mm stainless steel case and a striking blue ceramic bezel, which is complemented by a matching blue dial adorned with luminous hands and markers for enhanced visibility underwater. Constructed to withstand depths of up to 300 meters, the Seamaster Diver 300 M is crafted with a helium escape valve, ensuring durability and functionality for professional divers. The watch is powered by Omega's Co-Axial Master Chronometer Caliber 8800, offering exceptional precision and reliability. Its integrated stainless steel bracelet provides both comfort and style, making it suitable for both aquatic adventures and formal occasions. As part of Omega's esteemed Seamaster collection, this model reflects the brand's rich heritage in watchmaking and its long-standing association with the world of diving. The Omega Seamaster Diver 300 M runs true to size, making it an ideal choice for those seeking a blend of performance and elegance in their timepiece.
The Omega Seamaster Diver 300 M 210.90.42.20.01.001 is a pre-owned Omega watch available for purchase across multiple resale platforms. Shop 35 active listings with prices ranging from $5,690 – $10,420. Find this item on eBay and Watchfinder. Listings are available in Good and New condition, so you can choose the quality and price point that suits you. 6 listings are 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 | 26 | $5,690 – $10,420avg $8,413 |
| New | 4 | $7,165 – $9,999avg $8,879 |
| Status | Listings | Price range |
|---|---|---|
| Authenticated / VerifiedListings with third-party authentication or platform verification | 6 | $7,435 – $9,325avg $8,706 |
| UnknownListings where authentication status is not specified | 24 | $5,690 – $10,420avg $8,418 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 28 | $251.2K |
| Watchfinder & Co. | 7 | $61.6K |
| Total | 35 | $312.8K |
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.
