Strap for L.U.C XPS White Gold

The lug width of the Chopard L.U.C 161920-1004 is 20 millimetres. This measurement should be verified by placing a digital calliper between the two terminal lugs of the case, measuring their external distance. The 20mm standard suits watches with a 39.50mm diameter and provides access to a wide range of compatible aftermarket straps.

For the 161920-1004, the optimal choice depends on intended use and aesthetic preference. Alligator in brown or black creates elegant contrast with the white gold case, whilst vegetable-tanned calf develops a magnificent natural patina over time. Shell cordovan offers superior structural rigidity and unmatched lustre, ideal for formal wear. For less formal contexts, a NATO fabric strap maintains everyday wearability.

Strap replacement requires a spring bar tool to remove the elastic pins securing the strap to the case lugs. Insert the tool horizontally into the lateral spaces of the lugs, gently compress the spring bar, and extract the old strap. Position the new strap by aligning the holes with the lugs and reinsert the pins until they click into place. Avoid excessive force to prevent case damage.

Yes, any strap with a 20mm lug width is fully compatible with the 161920-1004. Quality aftermarket straps do not damage the case and offer unlimited personalisation options. Ensure that the strap thickness in the lug area (typically 3.5–4.5mm) is suitable for the case lugs without creating excessive mechanical tension.

Leather strap durability depends on material and usage patterns. High-quality alligator maintains structural integrity for 3–5 years of daily wear. Vegetable-tanned calf lasts 2–4 years, whilst shell cordovan, due to its density, can exceed 5–6 years. Sun exposure, humidity and sweat contact accelerate ageing. Storage in dry conditions and periodic application of specialist balms significantly extend strap lifespan.