IWC · Da Vinci

Strap for Da Vinci Perpetual Black Ceramic / Yellow Gold / White / English

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

19mm
Lug width19 mm
Case diameter39 mm
ReferenceIW3755-03 (aka: IW375503)
FamilyDa Vinci
MovementIWC caliber 79261 hours, minutes, small seconds | date, day, month, perpetual calendar, year indicator | Chronograph
Year1986 - 1995
CaseCeramic, Yellow Gold

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Da Vinci IW3755-03 (aka: IW375503)

Selected for the 19 mm lug width

All 19 mm straps →

The Da Vinci IW3755-03 (aka: IW375503), seen from the bench

The Da Vinci IW3755-03 features a hybrid 39mm case combining white ceramic and yellow gold, housing the IWC caliber 79261 with perpetual calendar, integrated chronograph, and small seconds. The 19mm lug width accommodates a wide range of strap constructions while maintaining proportional balance with the case diameter and 13.15mm thickness. Power reserve reaches 68 hours and water resistance is 30 meters.

Frequently asked questions

What is the lug width of the IWC Da Vinci IW3755-03?

The lug width of the IWC Da Vinci IW3755-03 is 19mm. This measurement refers to the distance between the two spring bar attachments on the case, determined by the geometry of the 39mm case. To verify correct measurement, position a digital calliper perpendicularly to the 12-6 line on the case, without forcing beyond the elastic limit of the tube. It is essential to measure from the deepest point of the tube, not from the external surface.

Which strap would you recommend for the Da Vinci IW3755-03?

The ideal strap depends on your intended use. To enhance the ceramic-gold duality, we recommend an alligator with fine grain in natural or aged cognac colour, which creates direct dialogue with the yellow gold. Alternatively, consider vegetable-tanned calf in deep burgundy, technical black rubber, or grey titanium 2-piece fabric for those preferring to visually downscale the case mass. Avoid excessively vintage-patinated leathers or cotton NATO straps, which would betray the contemplative nature of this timepiece.

How do you change the strap on an IWC Da Vinci IW3755-03?

Strap replacement requires a specific tool: a dual-tip spring bar tool or professional pin remover. Position the watch in a case holder, keeping the case stable. Gently insert the spring bar tool tip into the upper lug cavity, maintaining consistent pressure to release the internal spring. The spring will retract, allowing you to extract the old strap. Repeat for the lower lug. When inserting the new strap, ensure both springs are completely engaged, verifying with a gentle oscillation of the strap end. Caution: the ceramic case is fragile—do not rest tools directly on the case surface.

Is the Da Vinci IW3755-03 compatible with aftermarket straps?

Yes, the Da Vinci IW3755-03 is fully compatible with quality 19mm aftermarket straps. MilanoStraps offers a comprehensive selection of materials: alligator, calf, shell cordovan, technical rubber, 2-piece fabrics, all with standard spring bar configuration. Compatibility is total because the lugs follow industrial standards. However, we advise against synthetic leather or low-quality materials, which would not do justice to the sophistication of this timepiece and would compromise overall durability.

What is the typical lifespan of a leather strap on the Da Vinci IW3755-03?

The lifespan of a quality leather strap varies with material and usage. An alligator or vegetable-tanned calf in daily use maintains structural integrity for 4-6 years, with patina development that increases aesthetic value over time. Shell cordovan, thanks to natural density, can extend beyond 7 years. Technical FKM rubber offers 5-7 years of durability whilst maintaining consistent elasticity, without marked aesthetic evolution. Critical longevity factors: avoid prolonged direct UV exposure, do not force the strap beyond its natural elasticity, and clean regularly with a damp-dry cloth to remove salt from perspiration.

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