Tudor
TUDOR Black Bay GMT S&G
M79833MN-0001
The Black Bay GMT is an extension of the Black Bay line with a highly functional complication: a multiple time-zone function – also known as a GMT function. Recognisable by its rotatable bezel, which derives its deep blue and burgundy colour theme from other models in the Black Bay line, but in a matte version, the Black Bay GMT is also a nod to the early days of this watchmaking function.
TECHNICAL DETAILS
Collection
Black Bay GMT
Reference Number
79833MN
Description
41mm steel case, Steel and yellow gold bracelet
Material
Steel and yellow gold
Case
41mm steel case with polished and satin finish
Bezel
48-notch bidirectional rotating bezel in steel core covered by a 0.3mm 18 ct yellow gold cap. 24-hour graduated matt brown and black anodised aluminium disc
Bracelet
Yellow gold center links at 6 and 12 o’clock. Remaining center links in steel covered by a 0.2mm 18 ct yellow gold cap. Folding clasp and safety catch
Movement
Manufacture Calibre MT5652 (COSC) Self-winding mechanical movement with bidirectional rotor system Built-in architecture
Dial
Black, domed
Winding
Screw-down winding crown with the TUDOR rose in relief. Steel covered by a 0.1mm 18 ct yellow gold cap
Crystal
Domed sapphire crystal
Waterproofness
Waterproof to 200m (660 ft)

The Black Bay GMT is instantly recognisable by its 24-hour graduated rotating bezel with two colours: deep blue and burgundy or in brown and black for its steel & gold version. The Black Bay GMT features a 41mm satin-brushed steel case, which is waterproof to 200m (660ft). Luminescent hour markers are set against its dial to ensure legibility at night — and in all conditions. The TUDOR Black Bay GMT sports an incredibly useful multiple time-zone complication – also known as a GMT function – that establishes local time without losing sight of the time in two other time zones.
TUDOR has added an all-new opaline dial that perfectly complements the iconic colour scheme of the Black Bay GMT, in addition to the existing Black Bay GMT with a black dial and Black Bay GMT S&G. The Balck Bay GMT is available with a stainless-steel bracelet inspired by the folding riveted bracelets made by TUDOR in the 1950s and 1960s or a black strap with a woven burgundy accent matching the bezel. The Black Bay GMT S&G version comes with a choice of a riveted steel and gold bracelet, a “Terra di Siena” brown leather strap with folding clasp and safety catch, or a black fabric strap with a beige band.

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