Strap for DeckWatch Stainless Steel / Silver / Black Leather

The lug width is 20 millimetres. This measurement corresponds to the historical standard of Germanic naval Deckwatches and represents the distance between the two pins protruding from the case. A compatible strap must measure exactly this width to ensure secure fit without excessive play on the case lugs.

Given the functionalist and German character of this model, we recommend an alligator strap with vegetable tanning in dark brown, which creates visual harmony with the dial. Alternatively, a black satin calf leather strap with deployante offers maximum elegance, whilst a technical NATO strap replicates the authentic military navigation experience. Your choice depends on intended use: formal, daily wear or technical-sporting.

The UA7929-H1.1 uses standard spring bars. Position the watch on a soft pad to protect the case. With a spring bar tool, apply horizontal pressure to release the pin from the lug, then rotate the strap to extract the spring bar. Insert the new strap by aligning the hole with the lug, press the pin into the opposite lug and verify locking. This requires less than two minutes with proper tools.

Yes, any strap with 20 millimetre lug width is compatible with the Archimede UA7929-H1.1. We recommend artisanal quality straps to respect the rigorously functional construction of the watch. Verify that the strap lugs have holes aligned at 20 millimetres apart to ensure secure insertion into the case lugs.

A vegetable-tanned leather strap, worn in rotation with other straps, lasts 3-5 years. If worn daily and exposed to sunlight, humidity and perspiration, durability reduces to 18-24 months. A NATO or rubber strap lasts 5-10 years. Regular maintenance with protective wax and thorough drying significantly extends the life of natural leather.