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Omega
Seamaster Diver 300M 210.30.42.20.04.001
Median resale value
$4,750
Based on 9 listings — treat as indicative
$4,650middle 50% of listings$5,350+
$4,700 q1$5,095 q3
16
active listings
Based on 9 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.
9 active listings. Median asking price $4,750. The middle 50% ask between $4,700 and $5,095.
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 | 8/31/2026 | Good | Unknown | $4,650 | 2% below the median price | View on eBay |
 | Watchfinder | 7/9/2026 | Good | AuthenticatedWatchfinder manufacturer-certified inspection | $4,700 | 1% below the median price | View on Watchfinder |
 | eBay | 8/4/2026 | Good | Unknown | $4,700 | 1% below the median price | View on eBay |
 | eBay | 8/16/2026 | Good | Unknown | $4,700 | 1% below the median price | View on eBay |
 | eBay | 8/5/2026 | Good | Unknown | $4,750 | At the median price | View on eBay |
 | eBay | 8/17/2026 | Good | Unknown | $4,925 | 4% above the median price | View on eBay |
 | eBay | 8/26/2026 | Good | Unknown | $5,095 | 7% above the median price | View on eBay |
 | Watchfinder | 7/11/2026 | Good | AuthenticatedWatchfinder manufacturer-certified inspection | $5,345 | 13% above the median price | View on Watchfinder |
 | eBay | 8/7/2026 | Good | Unknown | $5,350 | 13% above the median price | View on eBay |
 | eBaySold | 5/17/2026 | Fair | Unknown | $4,291 | 10% below the median price | Sold6/17/2026 |
 | eBaySold | 7/17/2026 | Good | Unknown | $4,800 | 1% above the median price | Sold8/21/2026 |
 | eBaySold | 7/26/2026 | Good | Unknown | $5,000 | 5% above the median price | Sold8/29/2026 |
 | eBaySold | 6/18/2026 | Good | Unknown | $5,002 | 5% above the median price | Sold7/20/2026 |
 | eBaySold | 7/26/2026 | Good | Unknown | $5,200 | 9% above the median price | Sold9/4/2026 |
 | eBaySold | 6/14/2026 | Fair | Unknown | $5,500 | 16% above the median price | Sold7/24/2026 |
 | eBaySold | 5/28/2026 | New | Unknown | $6,070 | 28% above the median price | Sold7/8/2026 |
We currently track 16 listings for the Omega Seamaster Diver 300M 210.30.42.20.04.001, with prices ranging from $4,650 – $5,350 across platforms including eBay and Watchfinder.
The Omega Seamaster Diver 300M 210.30.42.20.04.001 is a quintessential timepiece that embodies the spirit of adventure and elegance. Renowned for its robust construction, this watch features a 42mm stainless steel case that is both durable and lightweight, ensuring comfort during extended wear. The striking blue ceramic bezel complements the vibrant blue dial, which is adorned with the signature wave pattern, a hallmark of the Seamaster collection. Equipped with the Omega Co-Axial Master Chronometer Caliber 8800, this watch not only offers precision but also boasts anti-magnetic properties, making it ideal for both diving and daily wear. The helium escape valve and a water resistance of up to 300 meters highlight its professional diving capabilities. With a sleek stainless steel bracelet, the Seamaster Diver 300M maintains a sporty yet refined aesthetic, making it suitable for both casual and formal occasions. As part of Omega's esteemed Seamaster lineup, this model reflects the brand's dedication to craftsmanship and innovation, continuing a legacy that dates back to 1948.
The Omega Seamaster Diver 300M 210.30.42.20.04.001 is a pre-owned Omega watch available for purchase across multiple resale platforms. Shop 16 active listings with prices ranging from $4,650 – $5,350. Find this item on eBay and Watchfinder. Listings are available in Good condition, so you can choose the quality and price point that suits you. 2 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 | 10 | $4,650 – $5,350avg $4,942 |
| Status | Listings | Price range |
|---|---|---|
| Authenticated / VerifiedListings with third-party authentication or platform verification | 2 | $4,700 – $5,345avg $5,023 |
| UnknownListings where authentication status is not specified | 8 | $4,650 – $5,350avg $4,921 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 7 | $34.2K |
| Watchfinder & Co. | 2 | $10.0K |
| Total | 9 | $44.2K |
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.
