Strap for Conquest Heritage 38 Stainless Steel / Green / Bracelet

The lug width of the Longines Conquest Heritage L1.649.4.02.6 is 19 millimetres. This measurement represents the linear distance between the case's suspension pins and is essential for purchasing compatible straps. Measurement must be taken with a ruler positioned perpendicular to the horizontal axis, excluding the thickness of the pins themselves.

For the Longines Conquest Heritage L1.649.4.02.6, four primary materials are recommended: alligator for formality and temporal patina development, calf leather with vegetable tanning for the balance between initial softness and lasting structure, shell cordovan for those seeking dense leather with characteristic natural colour, and NATO nylon technical straps for sports and water applications. The choice depends on use context and dial version.

Changing the strap on the Conquest Heritage L1.649.4.02.6 requires the use of a spring bar tool or similar instrument to extract the pins from the lugs. Position the watch on a stable surface, locate the small hole on the side of the lug, insert the tool and lift the pin gently. Repeat on the other side. The new 19 mm strap is inserted by aligning the holes with the case pins. The operation requires care but is achievable at home.

Yes. Aftermarket straps measuring 19 mm specifically calibrated for the Longines Conquest Heritage L1.649.4.02.6 case are reliable provided they come from specialised suppliers who respect construction tolerances. European artisanal brands operating with selected tanneries guarantee superior quality compared to the original bracelet in terms of aesthetic patina and tactile comfort. Always verify that the pins insert without forcing.

The lifespan of a leather strap depends on material and usage: alligator and quality calf last between 3 and 5 years if worn daily, with regular maintenance (conditioning every 6-8 months). Shell cordovan, thanks to the density of horse leather, can exceed 5 years. Factors such as sun exposure, ambient humidity and the number of days per week of use significantly affect longevity. NATO straps in technical nylon have superior durability but require periodic cleaning.