Strap for De Ville Trésor Master Co-Axial Yellow Gold / Ivory Enamel

The lug width of the Trésor 432.53.40.21.09.001 is exactly 20mm. This parameter identifies the gap between the case lugs and is essential for ensuring compatibility with aftermarket straps. Any compatible strap must be constructed to this precise measurement to guarantee correct aesthetic fit and mechanical stability.

Dark cognac alligator and grained calf represent the optimal choices for the yellow gold Trésor. Alligator echoes the modernist rigor of the case through its natural grain texture and combines tactile elegance with a patina that evolves over time. Grained calf, especially in vegetable tanning, offers discreet texture and a patina that naturally harmonizes with the natural oxidation of gold. Bordeaux shell cordovan represents a sophisticated alternative for those seeking brilliance and superior mechanical resistance.

The strap change on the Trésor is performed by removing the spring bars that connect the bracelet/strap to the case lugs. Using a spring bar tool, apply gentle pressure on the pin to release the internal spring and extract the pin itself. Once removed, the new strap can be inserted by threading the spring bar through the lug and securing it to the case lugs. It is advisable to perform this operation on a clean and stable surface to avoid accidental loss of the spring bars.

Yes, all straps with 20mm lug width are fully compatible with the Trésor 432.53.40.21.09.001. On milanostraps.it you will find a complete selection of handcrafted straps in alligator, calf, shell cordovan and vulcanized rubber, constructed specifically for this measurement and customizable in colors, length and stitching thread. The Casati Milano atelier also offers the possibility of creating completely custom straps during an atelier consultation.

The lifespan of a leather strap depends on intensity of use and construction quality. A high-quality handcrafted strap in alligator or calf, used daily, maintains structural and aesthetic integrity for 3-5 years. Natural leather evolves over time developing patina that increases its visual character. If exposed to prolonged moisture, excessive heat or constant mechanical stress, durability may be reduced. The Casati Milano atelier provides an 18-month warranty on all straps produced, covering manufacturing defects and premature wear.