Strap for Conquest V.H.P. Chronograph 42 PVD / Blue / Rubber

The lug width of the Longines Conquest V.H.P. L3.717.2.96.9 is 20mm. This measurement represents the distance between the two attachment pins on the case where the strap fits. It is essential to respect this dimension precisely: an undersized strap will remain loose and dangerous, while an oversized strap cannot be mounted. To verify it, position a digital calliper perpendicularly between the two lateral case lugs.

The Longines Conquest V.H.P. accommodates multiple aesthetic interpretations. For a luxury sportive look, black or dark brown alligator leather creates balance between functionality and elegance. Shell cordovan guarantees a patina that develops over time, ideal for those desiring a strap that ages gracefully. Vegetable-tanned leather represents the conscious minimalist choice, with colour evolving from honey to deep brown. For more casual environments or aquatic activities, NATO weave or FKM rubber offer practicality and moisture resistance.

Strap replacement requires patience and minimal tools. Position the watch on a soft surface (microfibre cloth). Use a spring bar tool—a dual-ended implement with slots to lift the pins. Insert the thinner end into the space between the case and the old strap lug, gently lift the outer pin until it clicks, then extract the strap. Repeat on the opposite side. For the new strap, align the lug holes with the pins, press firmly until both sides click into place. Verify that both sides are properly secured before wearing the watch.

Yes, the L3.717.2.96.9 with 20mm lug width is fully compatible with quality aftermarket straps. This dimension is standard and widely available in the artisanal jewellery market. Ensure the strap is specified for 20mm lug width and that materials—leather, rubber, textile—are appropriate for intended use. Artisanal straps from specialised suppliers guarantee precise stitching, personal material selection, and bespoke details such as custom stitching.

The lifespan of a leather strap depends on material composition and usage patterns. Alligator, being naturally hard leather with inherent resistance, can last 5-7 years of daily wear. Shell cordovan, with even denser fibre structure, reaches 7-10 years. Vegetable-tanned leather lasts 4-6 years before replacement, but gains patina and character during this period. All leather straps degrade if subjected to constant moisture or frequent immersion. FKM rubber straps last 3-4 years but do not age gracefully—they are simply replaced when worn. To extend lifespan, occasionally apply beeswax-based conditioner to undyed leather.