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Rolex
Sea-Dweller 126603
Median resale value
$17,465
$12,368middle 50% of listings$26,151+
$16,335 q1$18,638 q3
Every active listing we track, bucketed by asking price. The band you buy in tells you more than the average does.
63 active listings. Median asking price $17,465. The middle 50% ask between $16,335 and $18,638.
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 | 9/23/2026 | Good | Unknown | $12,368 | 29% below the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $12,381 | 29% below the median price | View on eBay |
 | eBay | 9/24/2026 | Good | Unknown | $12,473 | 29% below the median price | View on eBay |
 | eBay | 10/7/2026 | New | Unknown | $13,516 | 23% below the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $13,899 | 20% below the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $13,995 | 20% below the median price | View on eBay |
 | eBay | 10/13/2026 | Good | Unknown | $14,850 | 15% below the median price | View on eBay |
 | eBay | 9/18/2026 | New | Unknown | $15,080 | 14% below the median price | View on eBay |
 | eBay | 10/17/2026 | Good | Unknown | $15,174 | 13% below the median price | View on eBay |
 | eBay | 10/20/2026 | Good | Unknown | $15,250 | 13% below the median price | View on eBay |
 | eBay | 10/10/2026 | Good | Unknown | $15,273 | 13% below the median price | View on eBay |
 | eBay | 9/15/2026 | Good | Unknown | $15,426 | 12% below the median price | View on eBay |
 | Bob's Watches | 8/30/2026 | — | Unknown | $15,795 | 10% below the median price | View on Bob's Watches |
 | eBay | 10/19/2026 | Good | Unknown | $15,899 | 9% below the median price | View on eBay |
 | eBay | 9/24/2026 | Good | Unknown | $16,185 | 7% below the median price | View on eBay |
 | eBay | 10/7/2026 | Good | Unknown | $16,250 | 7% below the median price | View on eBay |
 | Watchfinder | 7/9/2026 | Good | AuthenticatedWatchfinder manufacturer-certified inspection | $16,420 | 6% below the median price | View on Watchfinder |
 | eBay | 9/23/2026 | Good | Unknown | $16,450 | 6% below the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $16,590 | 5% below the median price | View on eBay |
 | eBay | 10/19/2026 | Good | Unknown | $16,900 | 3% below the median price | View on eBay |
 | eBay | 9/15/2026 | Good | Unknown | $16,960 | 3% below the median price | View on eBay |
 | Bob's Watches | 8/30/2026 | — | Unknown | $16,995 | 3% below the median price | View on Bob's Watches |
 | Bob's Watches | 8/26/2026 | — | AuthenticatedBob's Watches 100% authentic certification | $16,995 | 3% below the median price | View on Bob's Watches |
 | Bob's Watches | 8/13/2026 | — | AuthenticatedBob's Watches 100% authentic certification | $17,195 | 2% below the median price | View on Bob's Watches |
We currently track 91 listings for the Rolex Sea-Dweller 126603, with prices ranging from $12,368 – $27,210 across platforms including eBay, Bob's Watches, and more.
The Rolex Sea-Dweller 126603 exemplifies the pinnacle of luxury diving watches, blending functionality with timeless elegance. This model features a robust 43mm case crafted from Rolex's proprietary Oystersteel, known for its exceptional resistance to corrosion and scratches. The striking black dial is complemented by luminous hour markers and hands, ensuring readability in low-light conditions, a hallmark of Rolex's commitment to performance. A standout feature of the Sea-Dweller 126603 is its helium escape valve, allowing for safe saturation diving, while the unidirectional rotatable bezel provides precise timing for underwater excursions. The watch is fitted with a durable, yet comfortable, black rubber strap, enhancing its sporty aesthetic while ensuring a secure fit on the wrist. Part of Rolex's esteemed Professional collection, the Sea-Dweller is renowned for its durability and water resistance up to 1,220 meters (4,000 feet), making it a favorite among professional divers and watch enthusiasts alike. This model runs true to size, offering a comfortable wear for extended periods, and is celebrated for its robust construction, ensuring longevity and reliability in any environment.
The Rolex Sea-Dweller 126603 is a pre-owned Rolex watch available for purchase across multiple resale platforms. Shop 91 active listings with prices ranging from $12,368 – $27,210. Find this item on eBay, Bob's Watches, and Watchfinder. Listings are available in Good, Like New, and New condition, so you can choose the quality and price point that suits you. 9 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 | 43 | $12,368 – $25,503avg $17,347 |
| Like New | 1 | $17,990avg $17,990 |
| New | 6 | $13,516 – $27,210avg $19,188 |
| Status | Listings | Price range |
|---|---|---|
| Authenticated / VerifiedListings with third-party authentication or platform verification | 9 | $16,420 – $17,970avg $17,339 |
| UnknownListings where authentication status is not specified | 54 | $12,368 – $27,210avg $17,550 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 48 | $844.6K |
| Bob's Watches | 13 | $224.7K |
| Watchfinder & Co. | 2 | $34.4K |
| Total | 63 | $1.1M |
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.
