Strap for Black Bay 39 S&G / Black / Bracelet

The lug width of the Tudor Black Bay One 79663-0001 is 20mm. This measurement is taken between the internal contact points of the lugs, excluding the soldering ring. Correct measurement is essential to select a compatible strap that avoids excessive margins or visual imbalance.

The ideal strap depends on use case. For formal wear, we recommend alligator or vegetable-tanned calf leather, which create elegant contrast with the yellow gold case. For versatile daily wear, black calf with tone-on-tone stitching. For aquatic sports, FKM rubber or woven NATO fabric provide functionality whilst maintaining aesthetic coherence.

Strap replacement requires removal of the spring bar using a dedicated tool. Position the watch flat, use a spring bar remover to compress the pin, extract the bar and replace it in the new strap. Verify that the lugs align correctly before closure.

Yes, if the lug width is 20mm. Quality aftermarket straps maintain identical compatibility standards as original ones, as they respect the technical specification. It is essential to verify exact width and correct lug alignment on the case.

Durability depends on tannage, use frequency and maintenance. A quality artisan-made vegetable-tanned strap typically lasts 3-5 years with daily wear. Exposure to water, humidity and perspiration reduces this expectancy. FKM rubber offers greater durability (5-7 years), whilst NATO fabric can exceed 10 years. Milano Straps warranty is 18 months.