Strap for Conquest Classic Moonphase Stainless Steel - Red Gold / Chocolate / Triple Crown Collection

The Longines Conquest Classic L2.798.5.62.3 features a lug width of precisely 21mm. This measurement represents the linear distance between the two spring bar attachment holes and is the essential parameter for selecting a compatible strap. Verifying this dimension ensures perfect geometric fit and correct weight distribution across the wrist.

The choice depends on usage and aesthetic preference. A dark brown or anthracite alligator strap dialogues elegantly with the bimetallic case, enhancing the rose gold without chromatic competition. For daily versatility, a smoked or vegetable-tanned calf leather develops natural patina evolution over time. Shell cordovan offers a compromise between formality and character, with organic lustre. A heavyweight cotton NATO in grey or beige permits more casual interpretations of the model.

Press the lug gently against the case body and push the spring bar laterally with a dedicated tool until the strap is freed from its seat. Once the spring bar is extracted, the strap comes free easily. To install the new strap, align the holes and insert the spring bar, compressing it until it clicks into the attachment holes. A delicate operation but within reach of those without experience—take care not to lose the small spring during the process.

Any strap with a 21mm lug width is geometrically compatible with the Conquest Classic L2.798.5.62.3. The milanostraps.it collection offers leather straps (alligator, calf, shell cordovan) and fabric options (NATO), all available in the 21mm size, customisable in length, finishes and thread colour. The Casati Milano atelier creates bespoke straps tailored to individual preference, with choice of skins and 18-month warranty.

Durability depends on leather quality and daily wear. Premium alligator or shell cordovan with vegetable tanning resists 5-7 years of regular use before replacement. A vegetable-tanned calf develops a beautiful patina over time, ageing with character rather than degradation. A heavyweight cotton NATO lasts 3-4 years. Critical factors: avoid prolonged freshwater exposure, protect from extreme temperature swings, and occasionally apply leather-specific conditioner to maintain softness.