Omega · De Ville

Strap for De Ville Co-Axial 41 Red Gold / Brown / 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
Reference431.50.41.21.13.001 (aka: 43150412113001)
FamilyDe Ville
MovementOmega caliber 8501 hours, minutes, seconds | date | chronometer, co-Axial escapement
CaseRed Gold

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 431.50.41.21.13.001 (aka: 43150412113001)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The De Ville 431.50.41.21.13.001 (aka: 43150412113001), seen from the bench

The Omega De Ville reference 431.50.41.21.13.001 is equipped with the automatic Calibre 8501 with co-axial escapement and chronometer certification. The movement offers central hours, minutes, seconds and date indication. The watch features a 41mm case as indicated by the model reference.

Frequently asked questions

What is the lug width of the Omega De Ville 431.50.41.21.13.001?

The lug width is 20mm. This dimension is the standard for dress watches in the 40-41mm range and is essential to verify before purchasing compatible straps. You can measure it directly on the case by calculating the distance between the two lateral attachments.

What is the best strap for the De Ville Prestige 431.50.41.21.13.001?

For a dress watch in rose gold, alligator remains the most appropriate choice: the natural grain and texture create elegance without distracting from the dial. Vegetable-tanned calf leather is an excellent alternative for those who appreciate a patina that develops over time. Avoid sporty materials such as technical rubber on this model.

How do you change the strap on an Omega De Ville?

Straps are attached via the lateral attachments on the case. Use a specific tool (spring bar tool) to gently compress the internal spring of the attachment, remove the old strap and insert the new one. If you lack experience, consult a professional watchmaker to avoid scratches on the case.

Can I use non-original Omega aftermarket straps on the 431.50.41.21.13.001?

Yes, any 20mm strap is compatible with the De Ville Prestige attachments. Quality artisanal straps (such as custom-made ones) often offer superior materials and customization that the standard Omega bracelet does not allow, while maintaining full technical compatibility.

How long does a leather strap last on a watch worn daily?

A quality leather strap (alligator, calf, shell cordovan) lasts on average 4-7 years with daily wear. Durability depends on moisture exposure, cleaning frequency and tanning robustness. Vegetable tanning ages more elegantly than chemical tanning, developing patina and character. Replacement is recommended when the leather begins to fray or the stitching weakens.

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