Strap for De Ville Prestige Co-Axial 39.5 Stainless Steel / Red Gold / Vintage Brown / Bracelet

The lug width of the De Ville 424.20.40.20.13.001 is 20 millimetres. This measurement represents the internal space between the two case lugs. Any strap that does not respect this measurement will not fit correctly between the attachments. If the strap is too narrow (less than 20mm) it will not pass through the lugs; if too wide (more than 20mm) it will slip on the case shoulder. Always verify this specification before purchase.

The ideal material depends on use and personal taste. For formal elegance, mahogany-coloured alligator in vegetable tanning harmoniously complements the rose gold of the case, creating warm chromatic continuity. Cognac-coloured calf offers versatility and natural patina over time. For a more robust and contemporary approach, silk-cotton NATO or FKM rubber guarantee daily practicality. Shell cordovan, for those seeking maximum tactile quality, develops an extraordinary patina that amplifies the elegance of the two-tone over the years.

The change is straightforward. Position the watch on a soft pad, lug side facing up. Using a spring bar tool (a small pincer-shaped tool with curved tips), gently press the pins holding the strap downward, one on each side. The pin will retract and the strap will release. Remove the old strap, align the new strap with the holes, insert the pins into the two case shoulders and let the pin snap into place. If you do not have a spring bar tool, trust an expert: a scratched lug compromises the value of the watch.

Yes, provided they respect the 20 millimetre lug width. Quality aftermarket straps offer chromatic and material freedom that the original strap may not provide. On milanostraps.it you will find a curated selection of 20mm straps compatible with your De Ville, customizable in precise measurements and premium materials. The important thing is that the supplier guarantees precise tolerances: a variation of 0.5mm can compromise the fit. For maximum safety, contact a specialized atelier such as Casati Milano.

A premium leather strap in certified vegetable tanning lasts an average of 3-5 years of regular use. The duration depends on frequency of use, climate, sweat exposure and maintenance. A high-quality alligator or calf strap with vegetable tanning can last 6-7 years if subjected to periodic maintenance (gentle cleaning, air drying, annual conditioning with natural wax). Shell cordovan, being thicker and more resilient, easily reaches 8-10 years. Casati Milano provides an 18-month warranty, and if the strap wears prematurely due to a defect, it will be replaced. Over time, purchasing replacement straps becomes a natural part of caring for your watch.