Strap for Lyre 38.5 Automatic Stainless Steel / White - Roman / Bracelet

The lug width of the Longines Lyre L4.960.4.11.6 is 20 mm. This measurement represents the exact distance between the lugs on both sides of the watch case. It is essential to verify this dimension before purchasing a replacement strap to ensure perfect compatibility and proper fit on the wrist.

Genuine alligator leather is the most fitting material choice, particularly in cognac or black shades. The grainy texture of the alligator dorsum creates an elegant contrast with the dial and offers exceptional durability. Alternatively, vegetable-tanned calf leather provides softness and natural patina development over time, whilst vulcanised rubber is ideal for those engaging in water sports.

To change the strap, use a spring bar tool (pin remover) to extract the spring bar pins. Insert the tool into the spring mechanism and gently push the pin outward. Once both pins are removed, the old strap will detach easily. Install the new 20mm-compatible strap and reinsert the spring bar pins until fully seated. If you are inexperienced with this procedure, authorised Longines service centres are recommended.

Yes, provided the aftermarket strap has a lug width of exactly 20 mm. Bespoke and artisanal straps manufactured by specialised ateliers such as Casati Milano are fully compatible and frequently superior to mass-produced alternatives in terms of construction quality, leather selection, and customisation options. Always verify compatibility before purchase by consulting the technical specifications.

The lifespan of a leather strap depends on usage intensity, material choice, and stitching quality. A high-quality alligator strap typically lasts 5–7 years with daily wear, whilst traditional calf leather offers a longevity of 3–5 years. Vulcanised rubber is more durable and can exceed 10 years if properly maintained. Regular maintenance—gentle cleaning and drying after moisture exposure—significantly extends the strap's working life.