IWC · Da Vinci

Strap for Da Vinci Chronograph Platinum

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

24mm
Lug width24 mm
Case diameter43 mm
ReferenceIW3764-05 (aka: 3764-05, IW376405)
FamilyDa Vinci
MovementIWC caliber 89360 Hours, Minutes, Small Seconds | Date | Chronograph, Flyback
CasePlatinum

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 IW3764-05 (aka: 3764-05, IW376405)

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Da Vinci IW3764-05 (aka: 3764-05, IW376405), seen from the bench

The Da Vinci IW376405 is equipped with the automatic IWC 89360 caliber with flyback chronograph and small seconds functions. The movement offers hours, minutes, date and a chronograph with flyback. The watch features 24mm lugs and a case finish matching the bracelet.

Frequently asked questions

What is the lug width of the IWC Da Vinci IW3764-05?

The lug width is 24mm. This specific measurement is essential for correct strap installation: the attachment device must slide smoothly between the case lugs without excessive play. To verify, use a digital calliper and measure the distance between the inner lug walls.

Which strap material best complements the platinum Da Vinci IW3764-05?

Black or dark brown alligator is the canonical choice: its natural grain balances the rigid geometry of the dial. Alternatively, shell cordovan develops a fascinating burgundy patina over time. Vegetable-tanned calf offers a softer texture and a colour evolution towards honey tones for those preferring a more tactile finish.

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

Obtain a spring bar tool. Position the tip in the spring housing of the lower lug, apply gentle pressure to compress the spring, and slide the lug out of the strap. Repeat on the opposite side. Reverse the procedure to install the new strap, ensuring the spring clicks into place correctly.

Are aftermarket straps compatible with the Da Vinci IW3764-05?

Yes, provided they are specifically designed for 24mm lugs. A bespoke strap crafted to this width integrates perfectly with the platinum case. Always verify that the strap features correctly-dimensioned lugs and a robust deployante clasp.

How long does a leather strap last on a watch like the Da Vinci?

A bespoke alligator or shell cordovan strap subjected to traditional tanning typically lasts 5-7 years with regular use and proper maintenance (periodic cleaning with a damp cloth, conditioning every 12-18 months). Longevity depends on tanning method, UV exposure, and wear on the lugs.

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