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Tudor
Black Bay S&G 79663
Median resale value
$5,031
$3,424middle 50% of listings$5,868+
$4,355 q1$5,359 q3
Every active listing we track, bucketed by asking price. The band you buy in tells you more than the average does.
18 active listings. Median asking price $5,031. The middle 50% ask between $4,355 and $5,359.
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 | 10/6/2026 | Good | Unknown | $3,424 | 32% below the median price | View on eBay |
 | eBay | 8/31/2026 | Good | Unknown | $3,434 | 32% below the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $3,704 | 26% below the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $3,704 | 26% below the median price | View on eBay |
 | eBay | 10/7/2026 | Good | Unknown | $4,315 | 14% below the median price | View on eBay |
 | eBay | 7/20/2026 | Good | Unknown | $4,477 | 11% below the median price | View on eBay |
 | eBay | 10/13/2026 | Good | Unknown | $4,512 | 10% below the median price | View on eBay |
 | eBay | 5/17/2026 | Good | Unknown | $4,650 | 8% below the median price | View on eBay |
 | Bob's Watches | 7/12/2026 | — | AuthenticatedBob's Watches 100% authentic certification | $4,995 | 1% below the median price | View on Bob's Watches |
 | eBay | 10/7/2026 | Good | Unknown | $5,066 | 1% above the median price | View on eBay |
 | eBay | 8/30/2026 | Good | Unknown | $5,182 | 3% above the median price | View on eBay |
 | eBay | 10/6/2026 | Like New | Unknown | $5,211 | 4% above the median price | View on eBay |
 | eBay | 3/27/2026 | New | Unknown | $5,295 | 5% above the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $5,381 | 7% above the median price | View on eBay |
 | eBay | 9/16/2026 | Like New | Unknown | $5,415 | 8% above the median price | View on eBay |
 | eBay | 6/18/2026 | New | Unknown | $5,650 | 12% above the median price | View on eBay |
 | eBay | 8/4/2026 | Good | Unknown | $5,771 | 15% above the median price | View on eBay |
 | eBay | 9/19/2026 | New | Unknown | $5,888 | 17% above the median price | View on eBay |
 | eBaySold | 6/8/2026 | Good | Unknown | $3,413 | 32% below the median price | Sold8/27/2026 |
 | eBaySold | 8/31/2026 | Good | Unknown | $3,830 | 24% below the median price | Sold10/8/2026 |
 | eBaySold | 8/31/2026 | Good | Unknown | $3,830 | 24% below the median price | Sold10/8/2026 |
 | eBaySold | 7/4/2026 | Good | Unknown | $3,831 | 24% below the median price | Sold8/23/2026 |
 | eBaySold | 7/24/2026 | Good | Unknown | $3,960 | 21% below the median price | Sold9/8/2026 |
 | eBaySold | 7/10/2026 | Good | Unknown | $4,452 | 12% below the median price | Sold9/4/2026 |
We currently track 33 listings for the Tudor Black Bay S&G 79663, with prices ranging from $3,424 – $5,888 across platforms including eBay and Bob's Watches.
The Tudor Black Bay S&G 79663 is a distinguished timepiece that embodies the brand's rich heritage and commitment to craftsmanship. This model features a striking 39mm case crafted from stainless steel, complemented by an 18K yellow gold bezel that adds a touch of luxury. The champagne dial is adorned with luminous hour markers and hands, ensuring readability in various lighting conditions. As part of Tudor's Black Bay collection, the S&G 79663 showcases the brand's signature vintage-inspired design, merging classic aesthetics with modern functionality. This watch is powered by Tudor's in-house movement, offering precision and reliability, while its robust construction ensures durability for everyday wear. The Black Bay S&G is designed for comfort, featuring a comfortable bracelet that combines stainless steel and gold, seamlessly integrating style and wearability. With a water resistance of up to 200 meters, it is suitable for both aquatic adventures and formal occasions. This model runs true to size, making it an excellent choice for watch enthusiasts seeking a versatile addition to their collection.
The Tudor Black Bay S&G 79663 is a pre-owned Tudor watch available for purchase across multiple resale platforms. Shop 33 active listings with prices ranging from $3,424 – $5,888. Find this item on eBay and Bob's Watches. Listings are available in Good, Like New, and New condition, so you can choose the quality and price point that suits you. 1 listing is 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 | 12 | $3,424 – $5,771avg $4,468 |
| Like New | 2 | $5,211 – $5,415avg $5,313 |
| New | 3 | $5,295 – $5,888avg $5,611 |
| Status | Listings | Price range |
|---|---|---|
| Authenticated / VerifiedListings with third-party authentication or platform verification | 1 | $4,995avg $4,995 |
| UnknownListings where authentication status is not specified | 17 | $3,424 – $5,888avg $4,769 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 17 | $81.1K |
| Bob's Watches | 1 | $5.0K |
| Total | 18 | $86.1K |
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.
