Chopard
L.U.C 161902-1023— lug 18mm

The lug width of the Chopard L.U.C 161902-1023 is 18mm. This measurement is critical for ensuring strap compatibility with the case lugs. An undersized strap will leave visible gaps, whilst an oversized one cannot be installed. Always verify this specification before purchasing a replacement strap.

Given the dressy nature of this L.U.C and its white gold construction, we recommend an alligator strap in medium brown or a neutral-toned calf leather. Vegetable-tanned alligator offers understated elegance with natural patina development over time. Alternatively, shell cordovan in burgundy tones creates distinguished contrast with white gold. Avoid sporty NATO straps—they would contradict the watch's refined horological intent.

Gently remove the spring bars securing the strap to the lugs using a dedicated tool or fine flathead screwdriver. Insert the blade into the small hole on the lug's inner side, compress the retractable bar and withdraw the old strap. Install the new one by aligning it perfectly with the lugs and ensure the spring bars click back into place. If unfamiliar with this procedure, consult a qualified watchmaker.

Yes, any strap with 18mm lug width is compatible with the 161902-1023. Quality artisanal straps fit Chopard's original lugs perfectly. Your choice of leather, colour and closure type—standard lug loop, pin buckle or deployante—depends on personal style and intended use. A premium leather strap does not diminish the watch's value; it personalises it.

A quality leather strap, with moderate use and regular maintenance, lasts between 3 and 7 years. Alligator and shell cordovan age more gracefully than calf leather, developing sought-after patina. Durability depends on daily wear, perspiration exposure and humidity. An artisanal strap crafted from premium leather can exceed 5 years with proper care: protect it from water when possible and clean periodically with a soft cloth.