Omega · De Ville

Strap for De Ville Hour Vision Master Chronometer Stainless Steel / Brown / Bracelet

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

Lug width20 mm
Case diameter41 mm
Reference433.10.41.21.10.001 (aka: 43310412110001)
FamilyDe Ville
MovementOmega caliber 8900 hours, minutes, seconds | date | chronometer, co-Axial escapement
Year2016
CaseStainless Steel

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 433.10.41.21.10.001 (aka: 43310412110001)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The De Ville 433.10.41.21.10.001 (aka: 43310412110001), seen from the bench

The Omega De Ville reference 433.10.41.21.10.001 features the automatic caliber 8900 with co-axial escapement and chronometer certification. The movement offers central hours, minutes, seconds and date indication. The De Ville collection represents the Swiss brand's dress watch line with a classic and elegant design.

Frequently asked questions

What is the exact lug width of the Omega De Ville 433.10.41.21.10.001?

The lug width measurement for reference 433.10.41.21.10.001 is 20 millimetres. This width is measured from the distance between the two spring bars that connect the strap to the case and is a precise and invariable technical characteristic for this model. Always verify this measurement before purchasing a new strap, as straps with smaller or larger lug width will not be compatible with the lugs of the Omega case.

Which strap material is best suited to the Omega DeVille 433.10.41.21.10.001?

For a dress watch like the De Ville 433.10.41.21.10.001, alligator represents the ideal choice: its natural texture, characterised by regular scutes and uniform grain, maintains aesthetic coherence with the watch's minimalist design. Alternatively, vegetable-tanned calf leather in dark brown or black tones offers equally appropriate elegance. Shell cordovan straps are excellent for those seeking a patina that evolves over time and superior durability. Avoid textile materials such as NATO to preserve the formal character.

How do I correctly change the strap on my Omega De Ville 433.10.41.21.10.001?

The strap is connected to the case through two spring bars. To remove the current strap, use a dedicated tool (strap changer) to push inward the small hook that holds the spring bar, allowing you to extract it from its seat. Repeat the operation on the second spring bar. To install the new 20mm strap, insert the spring bars into the respective lugs, ensuring the strap is correctly positioned and both spring bars are completely secure. If you prefer to avoid the risk of damaging the case, contact an expert at Casati Milano.

Is the strap on my De Ville 433.10.41.21.10.001 compatible with aftermarket straps?

Yes, all aftermarket straps with a lug width of 20 millimetres are compatible with the De Ville 433.10.41.21.10.001, provided they respect this exact width. On milanostraps.it you will find a dedicated collection of 20mm straps, selected for artisanal quality and aesthetic coherence with the dress character of the De Ville. It is advisable to choose straps made of fine leather and verify that the <a href="/pages/termine-glossario/deployante">deployant clasp</a> is made of solid metal compatible with the stainless steel of the case.

How long does a leather strap last on an Omega watch?

The lifespan of a leather strap depends on the quality of the material, frequency of use and storage conditions. A high-quality artisanal alligator or calf strap with vegetable tanning can last 3 to 5 years with moderate daily wear. More noble materials, such as shell cordovan, offer superior longevity (5-7 years) thanks to their more robust fibrous structure. Frequent exposure to moisture, direct sunlight and extreme temperatures accelerate ageing. Casati Milano offers an 18-month warranty on all custom straps, guaranteeing protection against construction defects.

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