Omega · De Ville
Strap for De Ville Master Chronometer 34 Stainless Steel - Sedna Gold / MOP - Diamond
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 434.23.34.20.55.001 (aka: 43423342055001)
Selected for the 16 mm lug width
The De Ville 434.23.34.20.55.001 (aka: 43423342055001), seen from the bench
Frequently asked questions
What is the lug width of the Omega De Ville 434.23.34.20.55.001?
The lug width of this Omega De Ville Prestige model is exactly 16mm, measured between the inner edges of the case lugs. This dimension is specific to the series and must be observed rigorously when ordering an aftermarket strap. A tolerance of half a millimeter can compromise the attachment of the strap to the lugs.
What type of strap is recommended for the Omega De Ville 434.23.34.20.55.001?
For this elegant case in Sedna Gold and steel with mother-of-pearl dial, the ideal strap is in superior quality alligator (brown, cognac, or dark) or in vegetable-tanned calf leather that develops natural patina over time. Alternatively, shell cordovan offers refined texture and exceptional durability. Ordinary rubber or silicone are discouraged, as they would contrast with the precious finish of the case.
How do you change the strap on the Omega De Ville 434.23.34.20.55.001?
Strap replacement is accomplished through classic spring bars. Using a dedicated tool (spring bar tool) or a small flat screwdriver, depress the spring-loaded pin from one side, extract the old strap end, and insert the new one aligning it correctly. We recommend performing the operation on a clean and well-lit surface to avoid damaging the case. If inexperienced, consult a professional watchmaker.
Can I use quality aftermarket straps on this Omega?
Absolutely yes. Provided the lug width is 16mm and the strap is made of noble materials (alligator, calf, shell cordovan with quality tanning), an artisanal aftermarket strap can significantly enhance the user experience and aesthetics compared to the original strap. Custom straps also allow you to adapt the exact length to your wrist and choose finishes, initials, and color.
What is the average lifespan of a leather strap for this watch?
A noble leather strap (alligator or vegetable-tanned calf) on a watch worn regularly but not daily lasts on average 3-5 years before requiring replacement due to natural wear. Lifespan depends on frequency of use, moisture exposure, and general care. A shell cordovan strap, thanks to its natural rigidity and density, can last 5-7 years or more. Periodic maintenance (gentle cleaning, avoiding immersion) significantly extends the life of the 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

