Omega · De Ville

Strap for De Ville Master Chronometer Stainless Steel / Silver / 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 diameter40 mm
Reference434.10.40.20.06.001 (aka: 43410402006001)
FamilyDe Ville
MovementOmega caliber 8800 Hours, Minutes, Seconds | Date | Chronometer, Co-Axial Escapement
CaseStainless 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 434.10.40.20.06.001 (aka: 43410402006001), seen from the bench

The Omega De Ville 434.10.40.20.06.001 represents contemporary classical watchmaking with a 40 mm stainless steel case and silver dial. It features the automatic Co-Axial caliber 8800 with COSC chronometer certification, 60-hour power reserve, and functions including hours, minutes, seconds, and date. The 19 mm lug width is proportionally designed for dress watch elegance. Part of the De Ville collection, established in 1967.

Frequently asked questions

What is the exact lug width of the Omega De Ville 434.10.40.20.06.001?

The lug width is 19.00 mm. This dimension is specific to the model and maintains the harmonious proportions between the 40 mm case and the strap. Always verify the measurement between the lugs to ensure compatibility.

Which strap is best for the Omega De Ville 434.10.40.20.06.001?

An alligator strap with vegetable tanning in chocolate brown or burgundy tones amplifies the classic elegance of the De Ville. For everyday use, shell cordovan offers durability and deep patina development. Italian calf leather is ideal if you prefer a contemporary approach with uniform texture and wrist comfort.

How do you change the strap on this Omega?

Use a spring bar tool to gently lift the pin on both sides of the lug. Position the new 19mm strap and reinsert the pins until they click into place. Avoid excessive force to prevent damage to the case.

Are aftermarket straps compatible with the De Ville 434.10.40.20.06.001?

Yes, provided the lug width is exactly 19.00 mm. Quality artisanal straps, such as those offered by milanostraps.it, guarantee precise compatibility, often with the option to customize length, leather, and stitching details.

What is the average lifespan of a leather strap for this watch?

A quality leather strap, with vegetable tanning or shell cordovan, lasts on average 3-5 years under regular use conditions. Lifespan depends on frequency of use, humidity exposure, and care. Casati Milano artisanal straps include an 18-month warranty and age well with natural leather patination.

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