Strap for De Ville Trésor Master Chronometer Small Seconds Yellow Gold / Green

The lug width is 20mm, the precise standard for this reference. This dimension is calculated for the proportions of the 40mm case and is critical for matching with compatible straps. Always verify with a digital caliper by measuring the internal space between the two lugs of the case.

Natural alligator or cognac-brown represents the most coherent choice with yellow gold aesthetics: it emphasizes tactile value and creates a dialogue between timeless luxury and contemporary design. A secondary option is vegetable-tanned calf leather, which develops personal patina over time.

The Omega Trésor uses straight spring bars. With a dedicated removal tool, push towards the center of the lug to release the spring, gently remove the old strap, insert the new one by aligning both ends with the lugs and let the spring snap into place. This operation requires utmost care as the case is in gold: consider the service at Casati Milano for peace of mind.

Yes, any strap with a 20mm lug width is technically compatible. However, to preserve the aesthetic and material value of the yellow gold, we recommend specialized manufacturers that understand the proportions of this case and use quality leathers (alligator, calf, vegetable tanning). Milanostraps offers a curated selection for this specific model.

A quality alligator or calf leather strap with vegetable tanning lasts an average of 3-5 years of daily wear. The yellow gold case tends to develop a noble patina that improves over time; we recommend rotating 2-3 straps to distribute wear. Casati Milano offers an 18-month warranty and regeneration services upon estimate.