Tudor
Black Bay 58 GMT
7939G1A0NRU
A compact GMT built for the modern traveller, true to Black Bay heritage.
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Overview
The Tudor Black Bay 58 GMT reference 7939G1A0NRU is a 39 mm stainless steel GMT watch introduced in 2024, combining the slimmer, vintage-inflected proportions of the Black Bay 58 sub-line with practical dual-timezone functionality. Its black dial and in-house movement place it squarely within Tudor's contemporary manufacture era, offering a refined alternative to larger GMT references in the Black Bay family.
History
The Black Bay 58 line was conceived as a more wearable counterpart to the standard Black Bay, drawing on Tudor's mid-twentieth-century dive-watch heritage while keeping case dimensions accessible for a wide range of wrist sizes. The addition of a GMT complication to the 58 format represents a natural evolution of the sub-line, reflecting growing collector demand for travel-ready watches in a compact package. Introduced in 2024, this reference arrives as Tudor's manufacture calibre programme is well established, lending the watch both in-house credibility and independent certification.
Notable points
- Powered by the Cal. MT5450-U, a METAS-certified Master Chronometer-standard movement, guaranteeing performance across a broad range of magnetic field exposure.
- The 39 mm case diameter keeps the Black Bay 58 GMT notably more compact than many contemporary GMT sport watches, broadening its appeal to collectors who favour vintage-scale proportions.
- The black dial continues a long-standing Tudor design language within the Black Bay family, pairing cleanly with the GMT hand and 24-hour bezel or ring for legible timezone reading.
- As a 2024 introduction, the reference sits at the leading edge of the current Black Bay catalogue, representing Tudor's most recent thinking on the GMT complication within this line.
- Stainless steel construction and in-house movement manufacture position the watch as a serious daily-wear GMT without reliance on any external movement supplier.
Specifications
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