IWC · Da Vinci

Strap for Da Vinci Perpetual Rattrapante Rose Gold / Silver / French

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
ReferenceIW3754-04 (aka: 3754-04, IW375404)
FamilyDa Vinci
MovementIWC caliber 79251 hours, minutes, small seconds | date, day, month, perpetual calendar, year indicator | Chronograph, Rattrapante
Year2000 - 2004
CaseRose 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 IW3754-04 (aka: 3754-04, IW375404)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Da Vinci IW3754-04 (aka: 3754-04, IW375404), seen from the bench

The IWC Da Vinci Chronograph ref. IW3754-04 features a 41.50 mm case in 18-karat rose gold with IWC caliber 79251 movement offering perpetual complications including rattrapante chronograph, perpetual calendar, and year indicator. The 20 mm lug width accommodates moderately thick straps while maintaining visual harmony with the deep blue dial and applied gold hour markers. Resistant to water splashes up to 30 metres, this sophisticated timepiece represents Swiss watchmaking heritage in the dress watch segment.

Frequently asked questions

What is the exact lug width of the IWC Da Vinci IW3754-04?

The lug width of the IWC Da Vinci IW3754-04 is 20 mm. This dimension is determined by the proportions of the 41.50 mm case and represents IWC's engineering standard for this collection. To verify compatibility, measure the distance between the two lateral lugs at the strap insertion point: it must be exactly 20 mm.

What type of strap is recommended for a rose gold IWC Da Vinci?

For a rose gold 18-carat IWC Da Vinci, straps in genuine alligator, vegetable-tanned leather, or shell cordovan are recommended. Alligator leather—with its fine grain in burgundy or black tones—is the most sophisticated choice and harmonises excellently with rose gold. For more casual contexts, high-quality vulcanised rubber or NATO fabric are viable options if executed with precision (double-stitched passant, silk thread).

How do you replace the strap on an IWC Da Vinci IW3754-04?

Strap replacement requires a spring bar tool and a gentle hand. Place the chronograph on a soft cloth pad to prevent scratching. Insert the rounded tip of the spring bar tool under the elastic pin of the lug and press downward; the pin will retract. Remove the old strap, align the new one with the upper lug, and allow the elastic pin to expand naturally into its seats. Repeat on the opposite side. If uncertain, consult a qualified watchmaker.

Can an aftermarket strap be compatible with the IWC Da Vinci IW3754-04?

Yes, provided the lug width is exactly 20 mm. Quality aftermarket manufacturers (Milano Straps, Casati Milano, Hirsch, Molequin) offer this width in alligator, vegetable-tanned leather, rubber, and NATO canvas. Always verify technical specifications before ordering. Atelier Casati Milano also creates bespoke personalised straps with curated materials and an 18-month warranty.

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

A high-quality leather strap (alligator, cordovan, vegetable-tanned calf) typically lasts 2–4 years with daily wear, depending on frequency of use and care. Vegetable-tanned leather develops a noble patina over time, ageing harmoniously with the case. Factors that reduce longevity: prolonged direct sunlight exposure, constant humidity, salty perspiration. A vulcanised rubber strap is more resilient (5–7 years) but offers less aesthetic versatility. Periodic maintenance (gentle cleaning, occasional conditioning) extends longevity.

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