IWC · Da Vinci

Strap for Da Vinci Perpetual Rattrapante Platinum / Silver / German

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm
Lug width20 mm
Case diameter42 mm
ReferenceIW3754-09
FamilyDa Vinci
MovementIWC caliber 79251 hours, minutes, small seconds | date, day, month, perpetual calendar, year indicator | Chronograph, Rattrapante
Year2000 - 2004
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 IW3754-09

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Da Vinci IW3754-09, seen from the bench

The Da Vinci was introduced by IWC in the 1980s as a watch with advanced complications. It is equipped with the IWC caliber 79251 with perpetual calendar, split-seconds chronograph, and date, day, month, and year indicators. The watch features 20mm lugs and offers hour, minute, and small seconds displays.

Frequently asked questions

What is the lug width of the IWC Da Vinci IW3754-09?

The lug width of the IWC Da Vinci IW3754-09 is 20 millimetres. This dimension is determined by the geometry of the case lugs and represents the distance between the spring bar attachment points. It is essential to verify this measurement before purchasing a replacement strap, as even a 2mm difference would result in incorrect fitting. On milanostraps.it you will find a complete collection of straps specifically designed for this measurement.

What strap best complements the IW3754-09 in platinum?

For an IWC Da Vinci IW3754-09 in platinum, we recommend an alligator strap in black, tortoise, or midnight blue, or a solid-dyed shell cordovan. Alligator offers formal elegance with natural texture that complements the white metal discreetly; shell cordovan guarantees a patina that evolves over time, creating narrative contrast. European calf with vegetable tanning is ideal for those who appreciate colour development with age. The choice depends on your usage context and personal preference regarding leather patina evolution.

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

Changing the strap requires using a spring bar removal tool to release the spring that anchors the strap to the lugs. Gently insert the tool into the small lateral slot on the lug, push downward to compress the spring, and slide the old strap out. Then insert the new strap, aligning the holes with the lugs, and push until you hear the spring bar click into place. Proceed carefully to avoid scratching the case. If you are not experienced, consult an authorised IWC watchmaker.

Can you use an aftermarket strap on this model?

Yes, it is entirely possible and recommended to use high-quality aftermarket straps on an IWC Da Vinci IW3754-09, provided they respect the 20mm lug width. Artisanal straps from milanostraps.it are crafted with selected leathers (alligator, shell cordovan, European calf) and silk thread stitching, offering construction quality comparable to or superior to original IWC straps. Customisation options (length, initials, thread colour) make the piece even more exclusive. Always verify lug width compatibility before purchase.

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

The lifespan of a leather strap depends on the material, tanning method, frequency of use, and climatic conditions. An alligator strap with vegetable tanning, worn daily, typically lasts 3–5 years before requiring replacement. Shell cordovan, due to its density, can resist 5–7 years. European calf with vegetable tanning typically wears in 2–4 years, but its patina becomes more fascinating with age. Avoid prolonged exposure to moisture, salt water, and direct UV rays. Straps made by Casati Milano include an 18-month warranty and can be regenerated or replaced according to your needs.

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