Strap for Lyre 25 Quartz Stainless Steel

The lug width of the Longines Lyre L4.259.4.12.6 is 13mm. This measurement is standard for Longines ladies' models of this generation and is critical to ensure the strap integrates perfectly without lateral play. To measure it, use a digital calliper positioned perpendicular to the spring bars, measuring the distance between the inner edges of both holes.

For the Longines Lyre L4.259.4.12.6, we recommend alligator leather with vegetable tanning as the primary choice: its fine texture and natural softness respect the innate elegance of the timepiece. Alternatively, French or Belgian calf with vegetable tanning offers daily versatility whilst maintaining sober aesthetics, whilst shell cordovan represents the solution for those seeking a unique and lasting generational patina.

Strap changing requires a specific spring bar tool (also called a pry bar). Position the tool gently beneath the metal spring bar pin, lifting slightly to release the internal spring. Once the pin is disengaged, the strap will come away easily. To fit the new strap, align the holes with the pins, gently insert the pin and ensure the spring returns to position, creating a distinct click. The Casati Milano atelier can perform this operation at their studio by appointment.

Yes, any strap with a 13mm lug width is compatible with the Longines Lyre L4.259.4.12.6, provided the total length is appropriate for your wrist. Milano Straps offers artisanal straps in various materials (alligator, calf, shell cordovan) customisable in size and finish, guaranteeing perfect compatibility. It is advisable to verify total length (often adjusted to measure for each customer) before final order placement.

Lifespan depends on material, frequency of use and care. An alligator or vegetable-tanned calf strap, if worn daily, generally has a life expectancy of 3-5 years before requiring aesthetic replacement. Shell cordovan, thanks to its superior fibre density, can last 7-10 years whilst maintaining excellent functionality. All Casati Milano straps include an 18-month warranty and can be regenerated through professional reconditioning to further extend their useful life.