Strap for De Ville Co-Axial 42 Chronograph Stainless Steel / Blue

The lug width of the Omega De Ville 431.13.42.51.03.001 is 22mm. This measurement refers to the internal distance between the two spring bar attachments on the case. To verify compatibility with an aftermarket strap, measure the gap between the metal pins using a digital calliper, maintaining a tolerance of ±0.5mm due to natural settling of handcrafted leather materials.

Alligator leather in vegetable tanning represents the choice of maximum aesthetic coherence: the geometric scale pattern dialogues with the clean lines of the case, and the patina that develops over the initial months evolves from light brown to deep hazelnut. Alternatively, vegetable-tanned calf leather offers a finer texture for formal contexts, whilst shell cordovan represents the premium option for those seeking a natural lustre that evolves towards deep burgundy tones with ageing.

Strap replacement is a straightforward procedure thanks to the standard spring bar attachments. Position the watch on a soft surface, use a dedicated tool (spring bar tool) or a thin flat implement, and gently push one of the pins inward to slide out the old strap. Insert the new strap by aligning the holes with the pins, then compress the spring bar so it advances into the attachments. If lacking experience, contact Casati Milano atelier for professional installation.

Yes. Any strap with a 22mm lug width is compatible with the Omega De Ville 431.13.42.51.03.001, provided the thickness does not exceed 4mm and the material is sufficiently flexible to bend under the pins without excessive resistance. Alligator, calf, shell cordovan and FKM rubber straps are all valid choices. Always verify that the strap is cut to size for your wrist (typically 110mm + 65mm for an average adult).

A handcrafted strap in vegetable-tanned leather (alligator, calf, shell cordovan) typically lasts 2–4 years under daily-wear conditions, depending on humidity, perspiration and frequency of wear. The leather evolves over time, developing a natural patina and microscopic creases that enhance its aesthetic appeal. Casati Milano atelier provides an 18-month warranty and creates bespoke straps that guarantee structural conformity superior to industrial products, extending durability to 4–5 years with proper maintenance.