Omega · De Ville

Strap for Omega De Ville 424.53.40.20.99.001

The De Ville Prestige Co-Axial 39.5 Sedna Gold / 25th Anniversary takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width20 mm
Case diameter40 mm
Reference424.53.40.20.99.001 (aka: 42453402099001)
FamilyDe Ville
MovementOmega caliber 2500 Hours, Minutes, Seconds | Date | Co-Axial escapement, Chronometer
Year2019
CaseSedna Gold

Recommended spring bar

Spring bars Omega 20mm — 1.8mm diameter

Technical match for lug width and diameter · lug 20 mm · Ø 1.8 mm

All Omega spring barsOpen →

Straps for the De Ville 424.53.40.20.99.001

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

What I'm asked about the Omega De Ville 424.53.40.20.99.001

What strap size does the Omega De Ville 424.53.40.20.99.001 take?

The Omega De Ville 424.53.40.20.99.001 needs 20 mm between the lugs, usually 16 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Omega De Ville 424.53.40.20.99.001 be changed?

Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.

Can I put a leather strap on the Omega De Ville 424.53.40.20.99.001?

Yes, in 20 mm leather. On a 40 mm dress watch alligator is the natural choice: thin, elegant, what it was born for.

Which strap do you recommend for the Omega De Ville 424.53.40.20.99.001?

A thin 20 mm alligator. You'll find it ready in the 20 mm collection. If you'd rather have something built on your wrist, the Casati atelier.

The De Ville 424.53.40.20.99.001, seen from the bench

The Omega De Ville 424.53.40.20.99.001 Prestige Co-Axial represents the contemporary evolution of the dress watch standard established in 1967. This Sedna Gold version features a 39.5 mm case in proprietary 18-carat rose gold alloy with a distinctive rosy tone. The Omega caliber 2500 movement provides Co-Axial escapement, COSC Chronometer certification, and 48-hour power reserve. Case depth is 11.2 mm with brushed and polished finishing. The 20 mm lug width is specific to this model and requires precise measurement between the inner lug shoulders for proper strap compatibility.

Frequently asked questions

Which aftermarket straps are compatible with the Omega De Ville 424.53.40.20.99.001?

All straps with a 20 mm lug width are technically compatible with the Omega De Ville 424.53.40.20.99.001. On milanostraps.it you will find online a selection of 20mm straps ready for shipping, customizable in sizes, initials and stitching thread. However, technical compatibility does not guarantee aesthetic coherence: choose materials (alligator, calf, rubber) and color tones that respect the refinement of the De Ville Sedna Gold, avoiding decorative excesses or artificial tones that compromise the dialogue between case and strap.

How long does a leather strap last on an Omega De Ville?

The durability of a leather strap on an Omega De Ville 424.53.40.20.99.001 depends on the material, daily use and environmental conditions. High-quality artisanal alligator maintains structural integrity for 4-6 years with regular use, after which the leather tends to stiffen and fibers thin out. Vegetable-tanned calf has a similar lifespan, but ages creating a narrative patina. Rubber has a longer lifespan (7-10 years) but progressively hardens losing flexibility. To extend useful life, avoid prolonged exposure to direct sunlight and excessive humidity. The Casati Milano atelier offers an 18-month warranty on all personalized straps and can regenerate vintage straps.

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

The atelier's website: casatimilano.com