Omega · De Ville

Strap for De Ville Prestige Co-Axial Master Chronometer Pointer Date 42 Stainless Steel / Yellow Gold / Green Sunburst / Bracelet

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

Lug width19 mm
Case diameter42 mm
Reference434.20.42.22.10.001 (aka: 43420422210001)
FamilyDe Ville
MovementOmega caliber 8936 Hours, Minutes, Seconds | Date | Chronometer, Co-Axial Escapement
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

All Omega spring barsOpen →

The De Ville 434.20.42.22.10.001 (aka: 43420422210001), seen from the bench

The Omega De Ville 434.20.42.22.10.001 is a 42 mm stainless steel and yellow gold watch from the De Ville collection, which originated in 1967. It features a green sunburst dial, a 19 mm lug width, and houses the Omega caliber 8936 movement with Co-Axial Escapement technology. The watch includes hours, minutes, seconds indicators and a date window at 3 o'clock, with COSC chronometer certification.

Frequently asked questions

What is the exact lug width of the Omega De Ville 434.20.42.22.10.001?

The lug width is 19 mm. This specification is critical to ensure compatibility: an 18 mm strap will not fit, and forcing a 20 mm strap may damage the case. Always verify with a digital caliper measured internally between the lugs.

Which strap fits best on the De Ville 434.20.42.22.10.001?

High-end alligator is the ideal choice: its fine grain enhances the Sedna™ gold dial and the sophistication of the case. Excellent alternatives are horizontally-grained calf leather for a contemporary style, or burnished shell cordovan for a natural patina that evolves over time.

How do you change the strap on this watch?

The strap change is performed by removing the spring bars that connect the strap to the case lugs. Use a dedicated tool (spring bar tool) to compress the spring and extract it, then insert the new strap's spring bar aligning it correctly. If you are unsure, entrust the task to a professional watchmaker.

Can I use an aftermarket strap compatible with the De Ville 434.20.42.22.10.001?

Yes, provided the lug width is exactly 19 mm. Quality aftermarket artisanal straps often offer finishes and materials that rival or exceed original Omega straps, provided they are crafted by specialized ateliers with proven expertise.

How long does a leather strap last on this watch?

A quality alligator or calf strap, worn daily, typically lasts 3–5 years before requiring replacement due to natural wear. Durability depends on frequency of use, maintenance care, and tanning method: vegetable tanning ages elegantly, while chrome tanning tends to oxidize more rapidly.

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