Strap for De Ville Prestige Co-Axial 39.5 Stainless Steel / Yellow Gold / Vintage Silk Silver

The lug width of the De Ville 424.23.40.20.02.001 is 20mm. This measurement is taken between the internal lugs of the case and does not allow for tolerances: a strap must be calibrated exactly to 20mm to ensure stability and secure mounting.

For the two-tone yellow gold and steel case of the 424.23.40.20.02.001, alligator remains the most conservative and elegant choice. Matte black alligator, dark cognac brown, or deep burgundy respect the dual color tone without competing visually. For those seeking vivid texture, mature shell cordovan (brown with amber undertones) is an excellent alternative with a patina that evolves over time.

Position the watch with the strap facing upward on a soft cushion. Locate the spring bars: they are small metal rods perpendicular to the lugs themselves. Use a spring bar tool with a flat tip, applying light pressure upward to compress the internal spring, then extract the bar. Once freed, the old strap slides away. Position the new strap and reinsert the spring bars from the opposite side, verifying that both are fully seated in their slots.

Yes, the De Ville accepts any aftermarket strap with a 20mm lug width and compatible thickness (typically 2.5-3mm). Quality depends on the craftsman: vegetable-tanned leather, hand-stitched construction with double thread, and finishes that respect the case proportions ensure durability and aesthetics at the level of the original piece. Casati Milano produces exclusive options in this category.

A genuine quality leather strap (alligator, calf, shell cordovan) typically lasts 3-5 years with daily wear, extendable to 7-10 years with proper care: keep away from excessive moisture, avoid prolonged direct contact with sweat, and occasionally condition with leather-specific creams. Shell cordovan and more robust alligator exceed 5 years; calf requires greater attention. The patina of time is an appreciated characteristic, not degradation.