Strap for De Ville X2 Co-Axial 35 Big Date Stainless Steel / MOP

The Omega De Ville 7718.72.31 has a lug width of exactly 14 millimetres. This dimension must be strictly adhered to in order to ensure correct strap insertion into the case lugs. Precise measurement is performed with a digital calliper between the outer walls of the two lateral lugs.

For this classic white gold timepiece we recommend fine-grained natural alligator or vegetable-tanned calf leather. Both materials reflect the constructive elegance of the De Ville without compromise. Structured rubber remains a valid option if you seek versatility. Avoid synthetic materials and NATO straps, which do not match the seriousness of the watch.

Position the watch on a soft cushion with the lugs facing upward. Using a spring bar tool, gently press the small plunger inside the lug to release the internal spring. This allows removal of the metal bar. Remove the old strap and insert the new one, repositioning the bar in the new holes until you feel the locking click.

Yes, any strap with verified 14mm lug width is compatible. It is essential to measure the new strap between the attachment holes: even a 1mm difference will result in incompatibility. MilanoStraps offers a complete selection of 14mm straps with customisation and 18-month warranty.

A quality leather strap with vegetable tanning lasts on average 3-5 years with daily wear, while developing a characteristic patina. Natural alligator, being more resistant, can exceed 5-7 years. Longevity depends on exposure to moisture, heat and perspiration. A well-maintained strap alternated with others will significantly extend its lifespan.