Omega · De Ville

Strap for De Ville Hour Vision Co-Axial Red Gold / Brown

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
Reference431.63.41.21.13.001 (aka: 43163412113001)
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

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Straps for the De Ville 431.63.41.21.13.001 (aka: 43163412113001)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The De Ville 431.63.41.21.13.001 (aka: 43163412113001), seen from the bench

The Omega De Ville reference 431.63.41.21.13.001 features the automatic caliber 8501 with Co-Axial escapement and chronometer certification. The movement offers indication of hours, minutes, seconds, and date. The case has dimensions of 41mm according to the reference coding.

Frequently asked questions

What is the lug width of the Omega De Ville 431.63.41.21.13.001?

The Omega De Ville 431.63.41.21.13.001 features a <a href="/pages/termine-glossario/misura-ansa">lug width</a> of 20mm, the international standard for dress watches in this diameter category. A 20mm lug width represents the ideal compromise between perceived elegance and aftermarket strap availability, without compromising constructive authenticity. Always verify this specification before purchase to avoid compatibility errors.

Which strap is best for the Omega De Ville 431.63.41.21.13.001?

For the De Ville 431.63.41.21.13.001 in rose gold, we recommend straps in dark brown or cognac <a href="/pages/termine-glossario/alligatore">alligator</a>, reflecting the tradition of classic leather goods while maintaining chromatic cohesion with the precious metal. Vegetable-tanned calfskin represents an ideal contemporary alternative for those who prioritize breathability and natural patina development over time. <a href="/pages/termine-glossario/shell-cordovan">Shell cordovan</a> constitutes the most discerning choice for those seeking a strap that develops distinctive character marks, although it requires greater maintenance attention. A <a href="/pages/termine-glossario/deployante">deployant</a> clasp remains the most appropriate security system for this type of case.

How do you change the strap on the Omega De Ville 431.63.41.21.13.001?

Changing the strap on the 431.63.41.21.13.001 requires a delicate procedure due to the integrated case and refined lugs. It is necessary to use a professional strap changing tool and, preferably, to consult a specialized atelier such as Casati Milano to avoid scratches to the rose gold case. Inadequate tools can permanently compromise the finish of the precious metal: simply using a screwdriver is not recommended. The procedure takes approximately 15-20 minutes in expert hands, during which the replacement strap is perfectly aligned to the lugs thanks to millimetric spacing.

What aftermarket strap can I use for the 431.63.41.21.13.001?

The Omega De Ville 431.63.41.21.13.001 accepts any strap with a <a href="/pages/termine-glossario/misura-ansa">lug width</a> of 20mm, regardless of manufacturer. Milanostraps.it offers a curated collection of <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-20mm">20mm straps</a> in various leathers and finishes, customizable according to your needs. Geometric compatibility is guaranteed: simply verify that the passant is not too wide, a rare issue with professional straps but possible with generic manufacturers. For rose gold, contrasting finishes (cognac, black, English green) create balanced aesthetic contrasts.

What is the lifespan of a leather strap for the 431.63.41.21.13.001?

A quality leather strap, used under normal conditions (not worn daily), maintains structural integrity for 4-6 years. <a href="/pages/termine-glossario/concia-vegetale">Vegetable tanning</a> develops more visible but characteristic wear, transforming the strap into an object with its own aesthetic history. <a href="/pages/termine-glossario/shell-cordovan">Shell cordovan</a> extends this lifespan to 8-10 years thanks to superior fiber density. The determining factor is exposure to humidity and perspiration: a strap worn constantly during summer will deteriorate more rapidly than one used occasionally in dry environments. Casati Milano provides straps with an 18-month warranty, covering manufacturing imperfections but not natural wear.

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