Omega · De Ville
Strap for De Ville Master Chronometer 34 Stainless Steel / Blue / Bracelet
Takes 16 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 434.10.34.20.03.002
Selected for the 16 mm lug width
The De Ville 434.10.34.20.03.002, seen from the bench
Frequently asked questions
What is the lug width of my Omega De Ville 434.10.34.20.03.002?
The lug width is 16mm. You can verify it by measuring the distance between the two attachment holes of the strap on the case. Make sure your new strap is cut to exactly this width, otherwise you risk excessive play or forcing the spring bars.
Which strap type pairs best with the De Ville 434.10.34.20.03.002?
To enhance its dressy character, dark brown alligator or Nile crocodile remains the classic choice. If you prefer developing patina over time, vegetable-tanned calf offers aesthetic depth and sustainability. Shell cordovan guarantees exceptional durability and deep patina. For more dynamic daily use, a grey or navy NATO fabric maintains elegance without sacrificing practicality.
How do I change the strap on my Omega De Ville?
The attachment uses standard spring bars. Obtain a dedicated removal tool (available online) to spring the bars inward, then extract them from the case. Insert the new spring bars into the holes of your 16mm strap and reinsert into the case, ensuring the bars lock symmetrically. If you prefer to avoid DIY, Casati Milano offers installation service during customization.
Is there an aftermarket strap compatible with the 434.10.34.20.03.002?
Yes, provided it is made with the exact 16mm lug width. Milanostraps.it offers a collection of artisanal 16mm straps in multiple materials (alligator, calf, shell cordovan, technical fabrics) all compatible with this model. You can customize the strap in leather type, color, width measurements, and stitching thread.
How long does a leather strap last on a watch?
A quality leather strap, with vegetable tanning or shell cordovan, maintains structural integrity for 3-5 years with normal wear. Durability depends on frequency of use, sun exposure, and humidity. Casati Milano guarantees 18 months and offers buckle replacement or repair service. Genuine leather develops patina over time, so aesthetic aging is intentional and prized.
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

