TUDOR Black Bay One 31mm Black Diamond Dial, Stainless Steel Bracelet (M79600-0004)
Key Features
This elegant timepiece features a refined 31mm stainless steel case with a mix of polished and satin finishes. The dial is anthracite in color and is adorned with 8 diamonds, offering a sophisticated and luxurious touch. A polished and satin-finished stainless steel bezel frames the dial, while the case maintains a slim profile at 9.5mm thickness and features a 17mm lug width for a comfortable, proportional fit.
Movement
Powered by the Manufacture Calibre MT5201 (COSC), this self-winding mechanical movement incorporates a bidirectional rotor system, delivering both accuracy and reliability in a compact form factor.
Power Reserve
The movement offers a power reserve of approximately 50 hours, supporting dependable performance over multiple days without winding.
Waterproofness
Waterproof to a depth of 100 meters (330 feet), this watch blends everyday elegance with practical functionality.
Winding Crown
The stainless steel screw-down crown features the TUDOR rose in relief, adding a refined brand signature while ensuring water resistance.
Bracelet
A stainless steel bracelet with polished and satin finishes complements the case. It is fitted with the TUDOR “T-fit” folding clasp and safety catch for secure, easy adjustment and a seamless look.
Warranty
Covered by a five-year transferable guarantee, with no requirement for registration or periodic maintenance checks.



Description
Key Features
This elegant timepiece features a refined 31mm stainless steel case with a mix of polished and satin finishes. The dial is anthracite in color and is adorned with 8 diamonds, offering a sophisticated and luxurious touch. A polished and satin-finished stainless steel bezel frames the dial, while the case maintains a slim profile at 9.5mm thickness and features a 17mm lug width for a comfortable, proportional fit.
Movement
Powered by the Manufacture Calibre MT5201 (COSC), this self-winding mechanical movement incorporates a bidirectional rotor system, delivering both accuracy and reliability in a compact form factor.
Power Reserve
The movement offers a power reserve of approximately 50 hours, supporting dependable performance over multiple days without winding.
Waterproofness
Waterproof to a depth of 100 meters (330 feet), this watch blends everyday elegance with practical functionality.
Winding Crown
The stainless steel screw-down crown features the TUDOR rose in relief, adding a refined brand signature while ensuring water resistance.
Bracelet
A stainless steel bracelet with polished and satin finishes complements the case. It is fitted with the TUDOR “T-fit” folding clasp and safety catch for secure, easy adjustment and a seamless look.
Warranty
Covered by a five-year transferable guarantee, with no requirement for registration or periodic maintenance checks.



















