Omega · De Ville

Strap for De Ville Hour Vision Master Chronometer Stainless Steel / Blue

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
Reference433.33.41.21.03.001 (aka: 43333412103001)
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

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Straps for the De Ville 433.33.41.21.03.001 (aka: 43333412103001)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The De Ville 433.33.41.21.03.001 (aka: 43333412103001), seen from the bench

The Omega De Ville 433.33.41.21.03.001 is a stainless steel dress watch with a 41 mm case diameter and 20 mm lug width, embodying refined urban elegance since its 1960s origins. Powered by the Omega Caliber 8900 Co-Axial Escapement movement certified as Chronometer, it delivers certified precision and reduced friction for long-term chronometric stability. The stainless steel construction offers daily durability and develops a natural patina over time, while water resistance reaches 30 meters for everyday urban environments.

Frequently asked questions

What is the lug width of the Omega De Ville 433.33.41.21.03.001?

The Omega De Ville 433.33.41.21.03.001 features a lug width of 20 millimetres. This dimension is measured between the lateral case lugs and determines compatibility with any aftermarket strap. It is essential to verify this specification before purchasing a replacement strap to ensure proper fit without gaps or movement.

Which strap material is best suited for the Omega De Ville 433.33.41.21.03.001?

Alligator leather remains the most elegant choice, fully aligned with the dress watch identity of this model. Vegetable-tanned calf represents a contemporary and sustainable alternative. For those seeking daily versatility, a leather NATO strap or FKM rubber with stainless steel deployante buckle offers practicality without aesthetic compromise.

How do I change the strap on my Omega De Ville 433.33.41.21.03.001?

Strap replacement requires removal of the lateral pins (lug pins) securing the strap to the case. Using a dedicated spring bar tool, push the pin toward the centre to release it from the lug seats, allowing removal of the old strap. Insert the new strap by aligning its openings with the pins and pressing them into place until they seat fully. This procedure is ideally performed at a specialised atelier such as Casati Milano to ensure precision.

Is a 20mm aftermarket strap compatible with the De Ville 433.33.41.21.03.001?

Yes, any strap with 20mm lug width is dimensionally compatible. However, dimensional compatibility does not guarantee aesthetic suitability: verify that the strap thickness harmonises with the case proportion and that your choice of leather and colour reflects the urbane elegance characteristic of this model. Specialised retailers such as milanostraps.it provide pre-curated selections for this specific lug width.

How long does a leather strap last on the Omega De Ville 433.33.41.21.03.001?

Longevity depends on daily wear patterns, leather quality, and maintenance. A quality alligator or calf strap worn daily in an urban environment typically resists 3–5 years before replacement becomes necessary. FKM rubber offers greater durability (5–7 years), whilst lower-grade materials degrade within 18–24 months. Leather naturally develops a patina that many collectors appreciate, transforming wear into character.

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