Omega · De Ville
Strap for De Ville Co-Axial 41 Red Gold / Silver
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the De Ville 431.53.41.21.02.001 (aka: 43153412102001)
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€210
Black Alligator Strap with White Edges€210
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Green Rubberized Alligator Strap with Ecru Tribal Stitching€185
Frequently asked questions
What is the exact lug width of the Omega De Ville 431.53.41.21.02.001?
The Omega De Ville 431.53.41.21.02.001 features a 20mm lug width, the standard <a href="/pages/termine-glossario/misura-ansa">lug width</a> for dress models in this collection. This width requires straps specifically calibrated to ensure perfect fit with the integrated lugs of the case.
Which strap material pairs best with the De Ville 431.53.41.21.02.001?
<a href="/pages/termine-glossario/alligatore">Alligator</a> represents the stylistically coherent choice: the finest grain and natural patina dialogue with the understated lines of the case. Alternatively, <a href="/pages/termine-glossario/shell-cordovan">shell cordovan</a> offers superior tactile density and chromatic depth, while calf leather with <a href="/pages/termine-glossario/concia-vegetale">vegetable tanning</a> guarantees visible aging and sustainability.
How do I correctly measure the strap for the Omega De Ville 431.53.41.21.02.001?
Measure the distance between the two lugs (the internal notches on the lug): it must be exactly 20mm. Also verify the required lengths for your wrist (typically 110-120mm on the watch side, 70-80mm on the buckle side). A poorly sized strap will generate tension on the lugs and accelerated deterioration of the leather.
Can I use an aftermarket strap with a <a href="/pages/termine-glossario/deployante">deployant clasp</a> on this Omega?
Yes, provided the width is exactly 20mm and the deployant clasp is compatible with the case thickness (approximately 10.5mm). A handcrafted <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-20mm">20mm strap</a> allows greater freedom in buckle choice compared to the original integrated Omega strap, while maintaining the formal aesthetic of the model.
How long does a leather strap last on a daily-wear watch like the De Ville?
A premium leather dress strap (alligator, shell cordovan, natural calf) typically lasts 18-24 months with daily wear. <a href="/pages/termine-glossario/concia-vegetale">Vegetable tanning</a> maintains elasticity longer than industrial tanning. Factors such as humidity, sun exposure, and constant lug pressure accelerate wear. Casati Milano provides an 18-month warranty on every made-to-measure strap.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only

