Strap for De Ville Co-Axial 37.5 Stainless Steel / Silver / Japan

The Omega De Ville 4531.32.00 features a lug width of 20 mm. This dimension represents the authentic standard for medium-proportioned dress watches and is specifically calibrated for the De Ville case lugs. To verify it correctly, measure the distance between the centers of the two spring bar attachment points on the original strap.

Vegetable-tanned alligator represents the most orthodox choice, as it develops a natural patina over time. Barenia calf offers a sober alternative with discreet luster. Shell cordovan ensures chromatic depth and a unique metallic patina. For a contemporary approach, satin rubber or dark vegan calf convey modernity without formal compromises.

Obtain a spring bar removal tool or consult a watchmaker. Gently remove the attachment pins through lateral pressure, extract the original strap, and insert the new 20 mm strap ensuring the pins snap firmly into place. If you prefer, the Casati Milano atelier offers mounting service with personalized consultation.

Yes, any strap with a 20 mm lug width is mechanically compatible. However, aesthetic compatibility depends on thickness (recommended 4.5-6 mm), texture, and color. A quality alligator or shell cordovan 20 mm strap preserves the visual harmony of the De Ville, while economical materials or poorly refined finishes compromise the elegant balance of the case.

A quality leather strap (alligator, veg-tan calf, shell cordovan) typically lasts 4-7 years with daily use, provided proper maintenance: dry it if exposed to moisture, avoid prolonged water contact, and apply natural conditioner every 12-18 months. Durability can extend to 8-10 years with occasional use. Casati Milano provides an 18-month warranty and recommends custom restoration services.