Strap for Black Bay 31 S&G - Diamond / Champagne - Diamond / Bracelet

The lug width of the Tudor Black Bay One M79613-0004 is 16 millimetres. This specific measurement is characteristic of this model and requires 16mm compatible straps. To measure accurately, use a digital calliper or millimetre ruler, positioning it perpendicular to the spring bar holes on the case.

The ideal strap depends on usage and aesthetic preference. For sophistication: dark brown or black alligator. For evolving patina over time: vegetable-tanned calf. For versatile sport style: grey or navy nylon NATO. For pure functionality: black vulcanised rubber. All are available in 16mm sizing on milanostraps.it.

Strap replacement requires a dedicated spring bar tool to remove the spring bars from their case seats. Position the tool's blade in the small aperture of the spring bar, applying gentle outward pressure to release the spring mechanism. Once the lugs are freed, remove the worn strap and insert the new one, ensuring both spring bars are fully seated in the eyelet holes.

Yes, absolutely. The strap must be specifically engineered for a 16-millimetre lug width. milanostraps.it offers a complete collection of artisanal 16mm straps in leather, rubber and fabric, all compatible with the Black Bay One 79613-0004 and customisable. The Casati Milano atelier also creates bespoke custom-made solutions.

The lifespan of a natural leather strap depends on tannage method, daily wear and maintenance practices. A quality artisanal alligator or calf strap, worn regularly, maintains functionality for 3 to 5 years before replacement is needed. Vegetable tanning ages particularly well, developing visible patina that enriches aesthetic character over time. Exposure to moisture, perspiration and sunlight accelerates wear.