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Tudor
Hydronaut 20023
Median resale value
$2,710
Based on 5 listings — treat as indicative
$714middle 50% of listings$3,432+
$2,198 q1$3,411 q3
Based on 5 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.
5 active listings. Median asking price $2,710. The middle 50% ask between $2,198 and $3,411.
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 | 9/18/2026 | Good | Unknown | $714 | 74% below the median price | View on eBay |
 | eBay | 9/2/2026 | Good | Unknown | $2,198 | 19% below the median price | View on eBay |
 | eBay | 9/19/2026 | Good | Unknown | $2,710 | At the median price | View on eBay |
 | eBay | 10/16/2026 | Good | Unknown | $3,411 | 26% above the median price | View on eBay |
 | eBay | 10/7/2026 | Good | Unknown | $3,433 | 27% above the median price | View on eBay |
 | eBaySold | 8/13/2026 | Good | Unknown | $2,617 | 3% below the median price | Sold9/18/2026 |
 | eBaySold | 7/31/2026 | Good | Unknown | $2,771 | 2% above the median price | Sold9/9/2026 |
 | eBaySold | 8/13/2026 | Good | Unknown | $2,988 | 10% above the median price | Sold9/18/2026 |
We currently track 8 listings for the Tudor Hydronaut 20023, with prices ranging from $714 – $3,433, from eBay.
The Tudor Hydronaut 20023 is a distinguished timepiece that exemplifies Tudor's commitment to precision and style. This watch features a robust stainless steel case paired with a striking black dial, offering a classic yet sporty aesthetic that appeals to both casual and formal wearers. The Hydronaut collection is celebrated for its water resistance and durability, making it an ideal choice for those who appreciate adventure without compromising on elegance. The 20023 model showcases a unidirectional rotating bezel, which is essential for divers and outdoor enthusiasts, while luminous hands and markers ensure visibility in low-light conditions. The watch is powered by a reliable automatic movement, reflecting Tudor's Swiss watchmaking heritage and dedication to craftsmanship. With its versatile design, the Tudor Hydronaut 20023 fits comfortably on the wrist, making it suitable for everyday wear. It runs true to size and is known for its durability, ensuring that it withstands the rigors of an active lifestyle. As part of Tudor's sports collection, this model embodies the brand's ethos of combining functionality with sophisticated design, appealing to collectors and watch enthusiasts alike.
The Tudor Hydronaut 20023 is a pre-owned Tudor watch available for purchase across multiple resale platforms. Shop 8 active listings with prices ranging from $714 – $3,433. Find this item on eBay. Listings are available in Good 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 | 5 | $714 – $3,433avg $2,493 |
| Status | Listings | Price range |
|---|---|---|
| UnknownListings where authentication status is not specified | 5 | $714 – $3,433avg $2,493 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 5 | $12.5K |
| Total | 5 | $12.5K |
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.
