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.
Case
41mm steel case with polished and satin finish
Bezel
Bidirectional rotatable 48 notches bezel in steel with 24-hour graduated anodized aluminium disc in matt burgundy and blue
Movement
Manufacture Calibre MT5652 (COSC) Self-winding mechanical movement with bidirectional rotor system Built-in architecture
Dial
Domed opaline dial with a galvanic finish
Crystal
Domed sapphire crystal
Waterproofness
Waterproof to 200m (660 ft)
Bracelet
Riveted steel bracelet with polished and satin finish with folding clasp and safety catch
M79830RB-0010
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