m79830rb-0001

Black Bay GMT

$4,375

Manufacture Calibre MT5652 (COSC)
41mm steel case
Rivet steel bracelet

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Watch variations (6)

Watch Specifications

Reference: M79830RB-0001

Five-year Guarantee
- Case
  41mm steel case with polished and satin finish
  Lugs: 22mm lug width
  Case thickness: 14.6mm
- 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
  Black, domed
- Crystal
  Domed sapphire crystal
- 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
- Bracelet
  Riveted steel bracelet with polished and satin finish with folding clasp and safety catch

Five-year Guarantee
Five-year transferable guarantee with no registration or periodic maintenance checks required
Case
41mm steel case with polished and satin finish
Lugs: 22mm lug width
Case thickness: 14.6mm
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
Black, domed
Crystal
Domed sapphire crystal
Bracelet
Riveted steel bracelet with polished and satin finish with folding clasp and safety catch

The spirit of
Black Bay GMT
Discover the spirit of the TUDOR Black Bay GMT and the other models within the range.
Discover more
How to set your watch
Select your desired section
A
Rotatable bezel
The rotatable bezel displays the time indicated by the 24-hour hand. It can be turned to 48 positions in either direction.
Date Window
Displays the current date.
Winding crown
The winding crown is used to set the time and date and to wind the watch if it has not been worn. The winding crown is screwed down onto the case to ensure water resistance. It must be fully tightened after each manipulation.
24-hour hand
This hand corresponds to the reference time. 24-hour hand moves around the dial once every 24 hours. According to the position of the bezel, this hand displays a second or a third time zone.
Seconds hand
The seconds hand can be adjusted via the winding crown or left unchanged when setting the time to different time zones.
Hour hand
This hand corresponds to local time. This hand moves around the dial once every 12 hours.
Minute hand
The minute hand can be adjusted via the winding crown or left unchanged when setting the time to different time zones.
Reference time
The reference time is your “home” or “main” time zone. During a journey, the reference time is indicated by the trianguler tipped 24 hour hand. Setting the reference time also moves the conventional hour hand (local time). For this reason, the reference time must be set before setting the local time.
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