Strap for Conquest Classic 42 GMT Stainless Steel / Black / Bracelet

The lug width of the Longines Conquest Classic L2.799.4.56.6 is exactly 21 millimetres. This measurement represents the space between the case lugs where the strap is inserted via spring bars. It is essential to respect this dimension to ensure a perfect fit without lateral play.

The best strap depends on intended use. Natural alligator is the most refined choice, with regular grain and patina that evolves over time. Vegetable-tanned calf leather offers aesthetic consistency and ecological awareness. Shell cordovan represents the solution for collectors seeking dense texture and peculiar lustre. Vulcanised rubber or NATO straps maintain the model's sportiness with everyday practicality.

To change the strap, gently remove the spring bars from the case lugs using a dedicated tool (spring bar remover). Press the small lateral button on the spring bar while extracting it from the lug hole, then insert the new strap in the opposite position. If inexperienced, consult a professional watchmaker or Casati Milano atelier for safe strap replacement.

Yes, any strap equipped with a 21mm lug width is compatible. The essential point is verifying that the strap is genuinely calibrated to 21mm, not 20mm or 22mm. Artisan straps from milanostraps.it are available in the correct size and customisable in leather, stitching thread and workmanship.

Leather strap longevity depends on material and usage. Quality alligator, with correct tanning and regular maintenance, lasts 7–10 years. Vegetable-tanned calf leather has similar longevity (6–8 years) but develops colour more rapidly. Shell cordovan, owing to leather density, may last 10–15 years. Standard warranty is 18 months; for extended coverage and professional maintenance, Casati Milano offers ongoing assistance.