Strap for Elegant Collection Automatic 29 Stainless Steel / Diamond / MOP / Strap

The lug width of the Longines Elegant L4.310.0.87.2 is 16mm. This is the internal distance between the two lugs (lug to lug width) and determines strap compatibility. Correct measurement using a digital calliper positioned perpendicularly to the inner edges of the lugs ensures a secure fit with no lateral play.

For this elegant dress watch, the most suitable materials are: natural alligator for maximum refinement (fine grain texture and natural patina development), vegetable-tanned calf leather for versatility and noble ageing, or shell cordovan for formal evening wear (deep lustre and superior resistance to wear). A vulcanised rubber strap is ideal for daily use without aesthetic compromise.

Strap replacement is straightforward: use a dedicated spring bar tool to open the spring bar mechanisms connecting the strap to the lugs. Insert the tool tip into the space between lug and strap, apply gentle pressure to release the internal spring, and slide the old strap away. Repeat at the other lug, then insert the new strap ensuring both spring bars are fully seated and clicked into place.

Yes, the Longines Elegant L4.310.0.87.2 is fully compatible with quality aftermarket 16mm straps from reputable manufacturers. Ensure the strap features standard spring bars (1.5mm diameter) and that the lug width is precisely 16mm for a perfect fit to the watch case lugs.

Leather strap longevity depends on material quality and usage intensity. A quality alligator or vegetable-tanned calf strap, with proper care (avoid prolonged water exposure, apply protective balm occasionally), typically lasts 4–6 years of regular wear. Shell cordovan, thanks to its dense fibrous structure, often exceeds 7–8 years. Natural wear (creases, edge cracking) is cosmetic, not functional.