Omega · De Ville

Strap for De Ville Co-Axial 41 Stainless Steel / Blue / Bracelet

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter41 mm
Reference431.10.41.21.03.001 (aka: 43110412103001)
FamilyDe Ville
MovementOmega caliber 8500 Hours, Minutes, Seconds | Date | Chronometer, Co-Axial Escapement
CaseStainless Steel

Recommended spring bar

Spring bars Omega 20mm — 1.8mm diameter

Technical match for lug width and diameter · lug 20 mm · Ø 1.8 mm

All Omega spring barsOpen →

Straps for the De Ville 431.10.41.21.03.001 (aka: 43110412103001)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The De Ville 431.10.41.21.03.001 (aka: 43110412103001), seen from the bench

The Omega De Ville 431.10.41.21.03.001 is a 41mm stainless steel sports-elegant watch featuring an automatic Omega 8500 co-axial chronometer-certified movement. It features a blue solaris dial with yellow gold applied indices and a 20mm lug width. The 316L stainless steel case embodies precision and understated elegance, maintaining Omega's founding principle of absolute precision paired with sober design, suitable for both professional and contemporary casual contexts.

Frequently asked questions

What is the lug width of the Omega De Ville 431.10.41.21.03.001?

The lug width is 20mm. This measurement represents the width of the slot between the lug pins where the strap is inserted. It is essential to verify this measurement before purchasing a compatible strap, as a 19mm or 21mm strap would not fit correctly.

Which strap do you recommend for the De Ville 431.10.41.21.03.001?

For a formal interpretation, we recommend genuine alligator in medium-dark brown or havana shade, with vegetable tanning for natural patina development over time. For a smart-casual approach, a technical canvas NATO or vegetable-tanned calf leather offers versatility. The choice depends on primary use context: boardroom requires alligator, versatile daily wear suggests calf leather.

How do I change the strap on my 41mm Omega De Ville?

The strap is changed using a specialized tool to remove the lug pins (spring bars). Position the watch on a soft surface, locate the tiny holes at the sides of the lugs, insert the tool to compress the internal spring and slide the pin out. Repeat on the other side, then insert the new strap and secure the pins. If you are not experienced, consult a professional watchmaker.

Is a 20mm aftermarket strap compatible with this model?

Yes, any strap with 20mm lug width is physically compatible. However, technical compatibility does not guarantee aesthetic coherence: we recommend choosing materials and colours that harmonize with the solaris blue dial and satin-finished steel case. Artisanal straps offer customizations in leather, stitching and finishing that elevate the overall visual interpretation.

How long does a leather strap last on a watch like the De Ville?

An artisanal quality leather strap, with vegetable tanning and professional stitching, has an average lifespan of 3-5 years under daily use conditions. Longevity depends on environmental factors (humidity, sun exposure), frequency of use and maintenance. A vegetable-tanned calf strap develops natural patina and can last beyond 5 years. Casati Milano artisanal straps include 18 months of coverage against manufacturing defects.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only