Omega · De Ville
Strap for De Ville Prestige Co-Axial 39.5 Stainless Steel / Vintage 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 424.13.40.20.02.002 (aka: 42413402002002)
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€149
Red Alligator Strap Water Resistant€195
Green Rubberized Alligator Strap with Ecru Tribal Stitching€149
Hammered Calfskin Strap Light Blue€98
Vintage Olive Green Calf Leather Watch Strap€80
The De Ville 424.13.40.20.02.002 (aka: 42413402002002), seen from the bench
Frequently asked questions
What is the exact lug width of the Omega De Ville 424.13.40.20.02.002?
The lug width of the Omega De Ville 424.13.40.20.02.002 is 20.00 mm. This measurement represents the internal distance between the two holes where the case lugs are inserted. It is essential to verify this measurement with precision before purchasing a strap, as even a 0.5 mm deviation would cause abnormal tension and compromised fit.
Which strap is most suitable for the Omega De Ville 424.13.40.20.02.002?
For this model, alligator represents the absolute luxury choice, especially in chocolate brown or cognac tones that elegantly complement the silver dial and brushed steel case. Alternatively, vegetable-tanned calf leather offers versatility and develops a natural patina with use. For sports contexts, FKM rubber straps guarantee superior UV and water resistance.
How do you change the strap on the De Ville 424.13.40.20.02.002?
Strap changing requires a specific tool called a spring bar tool. Insert the spring bar tool into the lateral holes of the case (one on each side), apply gentle downward pressure to push the pin out, then remove the old strap. The new strap is installed by inserting the pins into the holes following the correct direction. Casati Milano offers this installation service with precision guarantee.
Are aftermarket straps truly compatible with the 424.13.40.20.02.002?
Yes, provided the lug width is exactly 20 mm and the attachment geometry matches the original Omega specifications. Not all 20 mm straps are identical: some have different manufacturing tolerances. The straps from milanostraps.it are specifically designed for this reference and guarantee full compatibility, with the possibility of customization in leather, color, and stitching.
How long does a leather strap last on a watch like the De Ville?
Durability depends on the material, frequency of use, and season. Alligator and shell cordovan, with vegetable tanning, typically last 4-6 years of daily use before requiring replacement. Standard calf leather has slightly lower durability (3-5 years). Moisture and sun exposure accelerate aging. Casati Milano guarantees 18 months on their production, covering manufacturing defects and materials.
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

