TUDOR Black Bay GMT – M79830RB-0010 Automatic Watch


TUDOR’s famous Black Bay divers’ watch is available with a GMT function that establishes local time without losing sight of the time in two other time zones. Fitted with the Manufacture Calibre MT5652, the Black Bay GMT sports a 24-hour graduated rotating bezel with two colours.

TUDOR is expanding the Black Bay GMT line with a new whimsical dial in opaline to match the distinctive burgundy and blue bezel. It’s also equipped with a steadfast Manufacture Calibre.

Reference: M79830RB-0010

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TUDOR Black Bay GMT – M79830RB-0010 Automatic Watch


  • Five year Guarantee – Five-year transferable guarantee with no registration or periodic maintenance checks required
  • Case – 41mm steel case with polished and satin finish
  • Movement – Manufacture Calibre MT5652 (COSC), Self-winding mechanical movement with bidirectional rotor system, Built-in architecture
  • Power Reserve – Power reserve of approximately 70 hours
  • Winding Crown – Steel screw-down winding crown, with the TUDOR rose in relief, with circular satin-brushed steel winding crown tube
  • Waterproofness – Waterproof to 200m (660 ft)
  • Bezel – Bidirectional rotatable 48 notches bezel in steel with 24-hour graduated anodised aluminium disc in matt burgundy and blue
  • Dial – Domed opaline dial with a galvanic finish
  • Crystal – Domed sapphire crystal
  • Bracelet – Riveted steel bracelet with polished and satin finish with folding clasp and safety catch

Reference: M79830RB-0010

Additional information




Black Bay


Stainless Steel

Watch Movement


Case Size