Strap for Conquest Quartz 34 Stainless Steel / Silver

The Longines Conquest L3.377.4.76.6 features a lug width of 17 millimetres. This measurement is fixed and must be strictly observed when selecting a compatible strap. To verify it, measure the distance between the two lugs of the case using a digital calliper or tailoring ruler, positioning the tool perpendicularly to the case itself.

The choice depends on intended use and personal aesthetic preferences. For formal contexts, we recommend genuine alligator or black calf leather: both amplify the watch's gravity. For daily wear, traditional calf leather offers versatility and durability. For summer and sporty occasions, canvas NATO or rubber straps ensure practicality without sacrificing elegance. Shell cordovan is ideal if you seek unique patina development and visible ageing over time.

The Conquest uses standard spring bar attachments. To change the strap: 1) acquire a spring bar remover or use a non-invasive tool; 2) position the tool's tip under the small ball of the spring bar; 3) compress it inward to release tension; 4) withdraw the bar from the lug; 5) repeat on the opposite side. Insert the new strap by aligning the holes and ensuring correct spring bar positioning. Never force components.

Yes, any artisanal or commercial 17mm strap is constructively compatible. Quality varies considerably, however: a bespoke strap crafted from certified leathers with precision stitching guarantees superior comfort and durability lasting 10-15 years. Industrial standard straps offer good value but require more frequent replacement. Always verify compatibility with the standard spring bar attachment.

Durability depends on leather quality and daily use patterns. A high-quality calf leather strap typically lasts 3-5 years of regular wear. Alligator and shell cordovan reach 8-15 years due to denser fibre structure. Vegetable-tanned straps develop patina and strengthen with time, often exceeding 10 years if properly maintained. Regular care—gentle cleaning, protective balm, rapid drying after water contact—significantly extends the lifespan of any leather strap.