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Tudor
Hydronaut II 20030
Median resale value
$3,190
Based on 9 listings — treat as indicative
$1,420middle 50% of listings$3,813+
$2,587 q1
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 $3,190. The middle 50% ask between $2,587 and $3,314.
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 | 9/22/2026 | Good | Unknown | $1,420 | 55% below the median price | View on eBay |
 | eBay | 9/8/2026 | Good | Unknown | $1,732 | 46% below the median price | View on eBay |
 | eBay | 9/7/2026 | Good | Unknown | $2,587 | 19% below the median price | View on eBay |
 | eBay | 9/23/2026 | Good | Unknown | $2,620 | 18% below the median price | View on eBay |
 | eBay | 9/16/2026 | Good | Unknown | $3,190 | At the median price | View on eBay |
 | eBay | 9/16/2026 | Good | Unknown | $3,190 | At the median price | View on eBay |
 | eBay | 9/17/2026 | Good | Unknown | $3,314 | 4% above the median price | View on eBay |
 | eBay | 10/7/2026 | Good | Unknown | $3,506 | 10% above the median price | View on eBay |
 | eBay | 9/15/2026 | Good | Unknown | $3,839 | 20% above the median price | View on eBay |
 | eBaySold | 8/17/2026 | Good | Unknown | $1,405 | 56% below the median price | Sold10/8/2026 |
 | eBaySold | 8/17/2026 | Good | Unknown | $1,421 | 55% below the median price | Sold10/8/2026 |
 | eBaySold | 8/10/2026 | Good | Unknown | $1,511 | 53% below the median price | Sold9/20/2026 |
 | eBaySold | 8/17/2026 | Good | Unknown | $1,725 | 46% below the median price | Sold10/8/2026 |
 | eBaySold | 8/19/2026 | Good | Unknown | $2,153 | 33% below the median price | Sold9/23/2026 |
 | eBaySold | 8/17/2026 | Good | Unknown | $3,009 | 6% below the median price | Sold9/18/2026 |
We currently track 15 listings for the Tudor Hydronaut II 20030, with prices ranging from $1,420 – $3,839, from eBay.
The Tudor Hydronaut II 20030 is a distinguished timepiece that exemplifies Tudor's commitment to precision and durability. Designed for men, this watch features a robust stainless steel case that measures 40mm in diameter, ensuring both a substantial presence on the wrist and a comfortable fit. The striking blue dial is complemented by luminous hour markers and hands, enhancing visibility in low-light conditions. Equipped with an automatic movement, the Hydronaut II boasts a date function at the 3 o'clock position, providing practicality alongside its sporty aesthetic. The unidirectional rotating bezel is designed for divers, allowing for precise timing underwater, while the water resistance of up to 200 meters makes it suitable for aquatic adventures. Part of Tudor's celebrated Hydronaut collection, this model reflects the brand's heritage of crafting high-performance watches that balance style and functionality. The watch features a durable rubber strap that offers comfort and security, making it ideal for both everyday wear and more adventurous outings. With its blend of sporty elegance and robust engineering, the Tudor Hydronaut II 20030 is a reliable companion for the modern man.
The Tudor Hydronaut II 20030 is a pre-owned Tudor watch available for purchase across multiple resale platforms. Shop 15 active listings with prices ranging from $1,420 – $3,839. 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 | 9 | $1,420 – $3,839avg $2,822 |
| Status | Listings | Price range |
|---|---|---|
| UnknownListings where authentication status is not specified | 9 | $1,420 – $3,839avg $2,822 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 9 | $25.4K |
| Total | 9 | $25.4K |
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.
