Omega · De Ville

Strap for De Ville Master Chronometer Stainless Steel - Yellow Gold / Silver

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

19mm

19 mm straps All Omega

Lug width19 mm

Case diameter40 mm

Reference434.23.40.20.02.002 (aka: 43423402002002)

FamilyDe Ville

MovementOmega caliber 8800 hours, minutes, seconds | date | chronometer, co-Axial escapement

Year2022

CaseYellow Gold, Stainless Steel

Recommended spring bar

Spring bars Omega Speedmaster Seamaster 19mm

Technical match for lug width and diameter · lug 19 mm · Ø 1.8 mm

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All Omega spring barsOpen →

Straps for the De Ville 434.23.40.20.02.002 (aka: 43423402002002)

Selected for the 19 mm lug width

All 19 mm straps →

The De Ville 434.23.40.20.02.002 (aka: 43423402002002), seen from the bench

The Omega De Ville 434.23.40.20.02.002 is a 40mm chronograph in yellow gold and stainless steel with a 19mm lug width. It features the Omega caliber 8800 movement beating at 10Hz with co-axial escapement, offering chronograph complications with hour, minute and second counters, date window, and chronometer certification. The two-tone case features a sapphire crystal caseback revealing the decorated movement with Côtes de Genève finishing.

Frequently asked questions

What is the exact lug width of the Omega De Ville 434.23.40.20.02.002?

The lug width is 19mm. This is the internal distance between the two spring bar pins that hold the strap. Verify compatibility by measuring with a digital caliper between the pins: it must be exactly 19mm.

Which strap is recommended for the Omega De Ville 434.23.40.20.02.002 two-tone?

Vegetable-tanned alligator is the ideal choice for the two-tone gold-steel model: the natural grain evolves over time creating patina. Valid alternatives: shell cordovan for intrinsic lustre, Hermès calf for immediate comfort, cotton/silk NATO for a sporty edge.

How to change the strap on the Omega De Ville 434.23.40.20.02.002?

Use a spring bar tool to compress the spring bar pin on one side, sliding the strap outward. Repeat on the other side. Insert the new strap by entering the first pin, then the other with slight pressure until it clicks into place.

Is an aftermarket strap compatible with my Omega De Ville 434.23.40.20.02.002?

Yes, provided it has a <a href="/pages/termine-glossario/misura-ansa">lug width</a> of 19mm. Always verify before ordering. The <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-19mm">19mm straps</a> from Milano Straps are guaranteed to be compatible.

How long does a quality leather strap last on the De Ville 434.23.40.20.02.002?

An alligator or shell cordovan in vegetable tanning lasts 3-5 years of daily use. Longevity depends on environmental humidity, frequency of change and maintenance (avoid water exposure, annual conditioning cream). Casati Milano straps come with an 18-month warranty.

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