Reference
Tudor Black Bay GMT One (Only Watch 2021)
Reference 7983 · Aged Stainless Steel
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About this reference
The Tudor Black Bay GMT One, reference 7983/001U, is a unique piece produced specifically for the 2021 Only Watch charity auction. This reference is not in production and only one example exists. Collectors value the watch for its distinct aesthetic treatment, featuring a 41mm case, bracelet, and bezel aged through a secret chemical process to mimic decades of wear. It contains the manufacture caliber MT5652, a COSC-certified GMT movement with a Master Chronometer certification from METAS, marking the first time this standard was applied to a Tudor GMT. The matte black dial and hands also feature an aged finish to match the exterior. While there are no secondary market listings due to its unique status, it sold at auction in November 2021 for 650,000 CHF, roughly 100 times its retail estimate. This result remains one of the highest prices ever paid for a Tudor timepiece.
Auction track record
2 documented sales since 2021. Top hammer $712,555 at Christie's Geneva in 2021. Median hammer: $712,555.
Ranks #1 of 29 Tudor auction lots we track — see all Tudor records.
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All documented hammer prices
For this reference (and close variants).
| Lot | Year | Hammer | Venue |
|---|---|---|---|
| 7983/001U · Black Bay GMT One (Only Watch 2021) | 2021 | $712,555 | Christie's Geneva |
| M7983/001U · Black Bay GMT One | 2021 | $712,555 | Phillips Geneva |
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