Tudor
Black Bay 58 Black-Gilt
7939A1A0NU
The Black Bay 58 returns to its roots in deep black and warm gold.
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Overview
The Tudor Black Bay 58 Black-Gilt (ref. 7939A1A0NU) is a 39 mm stainless steel diver that pairs a black dial with gilt accents, reviving the warm two-tone aesthetic associated with Tudor's vintage diving heritage. Powering the watch is the in-house Cal. MT5400-U, a movement certified to the demanding METAS Master Chronometer standard. The result is a compact, tool-watch-proportioned diver that bridges mid-century Tudor design language with contemporary movement technology.
History
The Black Bay 58 line was introduced to address collector demand for a more wearable, historically proportioned alternative to the larger Black Bay, drawing its 39 mm case diameter and overall silhouette from Tudor's diving references of the late 1950s and 1960s. The "Black-Gilt" designation continues a tradition within the Black Bay family of offering dial-and-hardware colour combinations that echo specific archival references, with gilt printing and warm-toned details evoking the earliest generation of Tudor diver dials. The reference 7939A1A0NU, entering production in 2026, represents the line's continued evolution through the adoption of METAS-certified movement finishing, elevating the calibre's precision and magnetic-resistance credentials beyond standard chronometer requirements.
Notable points
- 39 mm stainless steel case keeps the Black Bay 58 proportioned for a wide range of wrist sizes, consistent with the sub-line's founding brief.
- Black dial with gilt accents references the warm, aged-tone printing found on Tudor's vintage diving watches from the late 1950s onward.
- Cal. MT5400-U carries METAS Master Chronometer certification, guaranteeing performance across ten stringent tests including resistance to magnetic fields of 15,000 gauss.
- The Black-Gilt colour pairing occupies a distinct position within the Black Bay palette, distinct from the line's silver, blue, and burgundy dial variants.
- Introduced in 2026, the reference marks one of the earliest Black Bay 58 executions to combine the Black-Gilt aesthetic with a METAS-certified in-house calibre.
Specifications
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