Longines
Conquest Classic L2.286.4.88.6— lug 15mm

The lug width of the Longines Conquest Classic L2.286.4.88.6 is precisely 15mm. This specific measurement must be respected when purchasing an aftermarket strap, as incorrect widths will result in unacceptable play or mounting impossibility. Verify using a digital calliper positioned in the lug cavity of the case.

For this compact, elegant 29.50mm case, an alligator strap with vegetable tanning or shell cordovan excels, both developing a natural patina and artisanal character over time. For daily sporting use, a glossy smooth calf leather or quality fabric NATO maintains the equilibrium between elegance and practicality. Avoid synthetic rubber or oversized deployante buckles disproportionate to the case dimensions.

Strap replacement requires a spring bar tool with a forked or blunt tip. Position the tool along the passant, gently press the internal spring toward the case centre to release tension, then extract the horizontal pin. Repeat on the opposite lug. When installing the new strap, ensure both pins are symmetrically aligned within the lugs before releasing tension.

Yes, fully compatible. The Longines Conquest Classic L2.286.4.88.6 accepts any quality artisanal strap with a 15mm attachment. Milano Straps offers a dedicated collection of compatible vegetable-tanned leather, alligator, and shell cordovan straps, all customisable in length, initials, and thread colour. Casati Milano atelier provides bespoke consultation and manufacture with 18-month warranty.

Durability depends on material and usage. An alligator or vegetable-tanned calf strap on this compact 29.50mm Conquest Classic, worn daily in temperate climate, lasts 4-7 years. Shell cordovan can exceed 10 years owing to natural fibre resistance. Critical factors: avoid prolonged moisture exposure, prevent direct sunlight for extended periods, condition leather periodically with natural oils. Casati Milano warrants straps for 18 months and recommends preventive maintenance annually.