Omega · De Ville

Strap for De Ville Prestige Co-Axial 39.5 Yellow Gold / Silver

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter40 mm
Reference424.53.40.20.02.002 (aka: 42453402002002)
FamilyDe Ville
MovementOmega caliber 2500 Hours, Minutes, Seconds | Date | Co-Axial Escapement, Chronometer
CaseYellow 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 424.53.40.20.02.002 (aka: 42453402002002)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The De Ville 424.53.40.20.02.002 (aka: 42453402002002), seen from the bench

The De Ville represents the Omega line of classic watches characterized by elegant design and automatic movement. It features the 2500 caliber with coaxial escapement and chronometer certification, equipped with hour, minute, second and date indication. The watch has 20mm lugs for the strap.

Frequently asked questions

What is the lug width of the Omega De Ville 424.53.40.20.02.002?

The lug width of the Omega De Ville 424.53.40.20.02.002 is 20 mm. This dimension is essential for selecting a compatible strap. To verify it, position a ruler in the lateral grooves of the case where the strap attaches and measure the horizontal distance between the two attachment points: it must be exactly 20 mm.

Which strap is best suited for the Omega De Ville 424.53.40.20.02.002 in yellow gold?

For the De Ville in yellow gold at 39.50 mm, we recommend cognac or black alligator to emphasize formality, or vegetable-tanned calf leather to develop patina over time. Chocolate brown alligator provides tonal harmony with the champagne dial, while polished black enhances sophistication in evening contexts. Avoid vividly colored straps: the neutral dial and yellow gold lack the chromatic saturation to dialogue with overly saturated palettes.

How do you change the strap on the Omega De Ville 424.53.40.20.02.002?

The replacement requires a spring bar tool (double-ended instrument). Insert the flat tip into the lateral groove of the case near the lug to gently compress the internal spring of the spring bar and release the previous strap. Repeat on the other side. Insert the new strap by aligning it with the lugs of the case and ensure the spring bar engages firmly on both sides. Verify that the strap is perfectly aligned before wearing the watch.

Does the Omega De Ville 424.53.40.20.02.002 accept aftermarket straps from other brands?

Yes, any 20 mm strap (lug width) is compatible with the De Ville 424.53.40.20.02.002, regardless of the manufacturer. The critical variable is lug width: it must be exactly 20 mm. However, for a timepiece of this caliber we recommend selecting straps made with premium leathers (alligator, vegetable-tanned calf, shell cordovan) and finishes compatible with the aesthetic profile of a classic dress watch.

How long does a leather strap last on the Omega De Ville 424.53.40.20.02.002?

Durability depends on leather quality and conditions of use. Quality alligator or calf leather, with regular maintenance (occasional cleaning, protection from excessive moisture), can last 3-5 years of daily wear. Prolonged exposure to water, chlorine, or perspiration significantly reduces longevity. A 20 mm strap crafted by Casati Milano with 18-month warranty offers superior qualitative protection compared to low-end industrial production, justifying the higher initial investment.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only