Omega · De Ville
Strap for De Ville Co-Axial 42 Chronograph Stainless Steel / Silver / Bracelet
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 431.10.42.51.02.001 (aka: 43110425102001)
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 431.10.42.51.02.001 (aka: 43110425102001), seen from the bench
Frequently asked questions
What is the lug width of the Omega De Ville 431.10.42.51.02.001?
The lug width of the De Ville 431.10.42.51.02.001 is 20mm. This is the distance between the two attachment holes on the case where the strap is inserted. It is essential to measure this distance correctly to select a compatible strap that does not require modifications to the case.
Which strap is most suitable for the Omega De Ville 431.10.42.51.02.001?
For a formal-sports chronograph like the De Ville 431.10.42.51.02.001, we recommend black alligator or dark brown for maximum elegance, or vegetable-tanned calfskin in earth tones for a more versatile approach. Shell cordovan is ideal for those who appreciate patina and durability over time. Milano Straps offers personalized 20mm straps in various materials.
How do you change the strap on the Omega De Ville 431.10.42.51.02.001?
Strap replacement requires removal of the two spring bars that connect the lugs to the case. Use a springbar tool to compress the lateral spring bar, remove the old strap, insert the new one until you hear the locking click. If you are not experienced, Casati Milano at the atelier provides professional support by appointment.
Are there compatible aftermarket straps for the 431.10.42.51.02.001?
Yes. Milano Straps offers 20mm artisanal straps specifically designed for watches like the De Ville 431.10.42.51.02.001. They are available online in various sizes, colors, and materials (alligator, calfskin, cordovan). All straps are compatible with standard Omega 20mm attachments.
How long does a leather strap last on an Omega De Ville?
The duration depends on the material and use. Alligator with vegetable tanning lasts 5-8 years with regular rotation and maintenance. Shell cordovan can last 10+ years and improves visually. Tannin-treated calfskin lasts 3-5 years. All Casati Milano straps include an 18-month warranty and can be regenerated or repaired.
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

