Omega · De Ville

Strap for De Ville Co-Axial 32.5 Yellow Gold Diamond / MOP / Bracelet

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter31 mm
Reference4186.75.00 (aka: 41867500)
FamilyDe Ville
MovementOmega caliber 2500 Hours, Minutes, Seconds | Date | Co-Axial Escapement, Chronometer
CaseYellow Gold

Recommended spring bar

Spring bars Omega 18mm — single diameter

Technical match for lug width and diameter · lug 18 mm · Ø 1.8 mm

All Omega spring barsOpen →

The De Ville 4186.75.00 (aka: 41867500), seen from the bench

The Omega De Ville 4186.75.00 is a yellow gold model representing Swiss watchmaking refinement with a 31.10mm case diameter and 18mm lug width. It features the automatic Omega caliber 2500 with Co-Axial escapement, which reduces friction and extends maintenance intervals. The watch holds Chronometer certification, guaranteeing precision verified to COSC standards. The yellow gold case develops a characteristic patina over time, and the 18mm lug width requires specifically designed straps with precise tolerances for proper fit.

Frequently asked questions

What is the lug width of my Omega De Ville 4186.75.00?

The lug width of the De Ville 4186.75.00 is 18mm. This measurement represents the distance between the integrated case lugs and must be respected precisely when choosing a strap to ensure proper fit without gaps or overlaps.

What is the best strap for the Omega De Ville 4186.75.00?

For this yellow gold model we recommend dark brown alligator (cognac or cigar) or black with yellow gold deployant clasp. Vegetable-tanned calf leather represents an excellent alternative for those who desire an evolving patina over time. Structured rubber is ideal for more casual daily wear.

How do I change the strap on the De Ville 4186.75.00?

The change requires the use of a specific tool to extract the spring bars from the case lugs. Given the delicacy of the yellow gold construction and the need to avoid damaging the finish, we recommend contacting a professional or reaching out to Casati Milano for dedicated assistance.

Can I use aftermarket straps for the Omega De Ville 4186.75.00?

Yes, provided they respect the 18mm lug width and are constructed with equivalent quality. On milanostraps.it you will find a selection of compatible 18mm straps, customizable according to your preferences for material, color and finish. For more sophisticated choices, Casati Milano creates bespoke straps specifically for this model.

How long does a leather strap last for the De Ville 4186.75.00?

A quality alligator or calf strap, subject to regular maintenance (regular drying, occasional hydrophobic treatment), has an average lifespan of 3-5 years under daily use conditions. <a href="/pages/termine-glossario/shell-cordovan">Shell cordovan</a> offers superior performance. All straps made by Casati Milano benefit from an 18-month warranty and extended maintenance.

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