Omega · De Ville

Strap for De Ville Prestige Co-Axial 32.7 Yellow Gold / MOP / Bracelet

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width16 mm
Case diameter33 mm
Reference424.50.33.20.05.001 (aka: 42450332005001)
FamilyDe Ville
MovementOmega caliber 2500 hours, minutes, seconds | date | co-Axial escapement, chronometer
CaseYellow Gold

Spring bar

Spring bars for Omega

The right category for this model · choose the 16 mm size

Straps for the De Ville 424.50.33.20.05.001 (aka: 42450332005001)

Selected for the 16 mm lug width

All 16 mm straps →

The De Ville 424.50.33.20.05.001 (aka: 42450332005001), seen from the bench

The Omega De Ville reference 424.50.33.20.05.001 is equipped with the automatic caliber 2500 with co-axial escapement and chronometer certification. The movement offers indication of hours, minutes, central seconds and date. The case features 16mm lugs for the strap.

Frequently asked questions

What is the exact lug width of the Omega De Ville 424.50.33.20.05.001?

The lug width of the De Ville 424.50.33.20.05.001 is 16mm. This value represents the distance between the two attachment pins of the case and is essential when purchasing a compatible strap. A 16mm lug width strap will have connection holes spaced exactly 16mm apart. Note: do not confuse this with the strap width itself, which is the visual measurement of the leather and can range from 14mm to 18mm depending on aesthetic preferences.

Which strap material pairs best with the De Ville in yellow gold?

Alligator is the natural choice for this model: the elegant grain and patina that develops naturally over time reflect the nobility of the yellow gold case. Black or burgundy alligator ensures maximum formality. Vegetable-tanned calf is an excellent alternative for those preferring a softer texture and a patina that evolves rapidly. For everyday versatility, a quality heavy canvas NATO strap brings the De Ville into more casual contexts without betraying its aesthetic heritage.

How do you change the strap on an Omega De Ville?

The strap is changed by removing the attachment pins (spring bars) from the case lugs. Use a spring bar remover: insert the flat tip into the end of the spring, press gently to compress the spring, and the pin will slide out of the lug. Repeat for both sides. Insert the pins into the new strap following the same procedure in reverse. If you are unsure, entrust the task to a professional watchmaker: the operation requires a delicate touch to avoid scratching the gold case.

Can I use an aftermarket strap on this Omega?

Yes, provided the strap is compatible with a 16mm lug width. Quality aftermarket straps (alligator, calf, nato) are perfectly compatible with the De Ville 424.50.33.20.05.001. MilanoStraps offers a selection of 16mm straps ready to ship, customizable in color, size, and details. For specific requirements, the Casati Milano atelier creates bespoke straps with personally selected leather and an 18-month warranty.

How long does a leather strap last on a watch like the De Ville?

The lifespan of a leather strap depends on the material, daily use, and care. A quality alligator strap can last 4-6 years with regular use and periodic maintenance (hydration, avoiding excessively dry environments). Vegetable-tanned calf tends to wear faster—2-4 years—but develops a fascinating patina. A heavy canvas NATO strap easily exceeds 5-7 years. Essential maintenance includes periodic cleaning and leather conditioning with appropriate products. MilanoStraps straps include an 18-month warranty against manufacturing 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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only