Strap for Black Bay GMT One / Only Watch 2021

The Tudor Black Bay GMT 7983/001U is fitted with a 22mm lug width. This measurement is taken from the inner edge of one lug pin to the other, perpendicular to the case. Always verify with callipers before ordering a replacement strap, as an incorrect measurement will prevent proper installation.

There is no universally "best" strap—only contextual choices. For formal wear: black alligator. For robust everyday use: vegetable-tanned Tuscan leather with developed patina. For marine and diving environments: shell cordovan. The 22mm proportion on a 41mm case accepts structured straps without visual imbalance.

Strap replacement is accomplished by removing the metal pins (spring bars) that secure the strap to the lugs. Use a spring bar tool to gently lift the pin on one side, creating sufficient clearance to withdraw the old strap and insert the new one. Apply no force—the motion must be smooth. If the new strap has a deployant clasp, ensure the internal passants are 22mm-compatible.

No. Any strap with a 22mm lug width is compatible with the 7983/001U, provided the thickness (typically 3.5–4.5mm) allows smooth engagement with the deployant clasp. Many artisans offer aftermarket alternatives that maintain full compatibility and often provide customisations—custom length, stitching colour, exclusive leathers—unavailable in the official catalogue.

A vegetable-tanned leather strap, worn daily, retains structural integrity for 5–7 years. Beyond this period, the leather develops excessive softness, thinning, and potential failure near the passants. This ageing is natural and desired by patina enthusiasts, but requires periodic replacement. Shell cordovan resists longer (8–10 years) due to superior fibre density.