Strap for La Grande Classique Quartz 24 Diamond Bezel

The lug width of the Longines La Grande Classique L4.241.0.51.2 is 13mm. This is a standard dimension for feminine dress watches. To verify precisely, remove the original strap and measure with a calliper the internal distance between the two lugs on the case. Never force straps of different widths, as this could damage the lugs.

For this ultra-slim model, we recommend genuine alligator with a fine grain, which respects the delicate proportions of the case and develops a natural patina over time. Excellent alternatives include vegetable-tanned calf and shell cordovan. We advise against synthetic materials such as silicone or rubber, which are incompatible with the aristocratic character of the watch.

Use a spring bar tool to apply gentle pressure to the side springs of the case lugs. Press downward to release one end of the strap, then extract. Insert the new strap by aligning it with the lugs and apply pressure until you hear the spring clip lock. Avoid hammers or tools that could scratch the case.

Yes. The Longines La Grande Classique L4.241.0.51.2 uses standard 13mm lugs, so any artisanal strap of that width is compatible. Milano Straps offers a selection of 13mm straps in alligator, calf, NATO and other materials, either ready to ship or customisable at the Casati Milano atelier.

A high-quality artisanal alligator or calf strap has an average lifespan of 5-8 years with daily use and normal humidity exposure. Longevity depends on factors such as frequency of wear, ambient humidity and level of maintenance. Vegetable-tanned leather naturally darkens and patinas over time, increasing the aesthetic appeal. Casati Milano offers an 18-month warranty on its bespoke straps.