IWC · Da Vinci
Strap for Da Vinci Tourbillon Leonardo Rose Gold / French
Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Da Vinci IW3752-20 (aka: IW375220), seen from the bench
Frequently asked questions
What is the lug width of the IWC Da Vinci IW3752-20?
The lug width of the IWC Da Vinci IW3752-20 is 19mm. This specific measurement was engineered by IWC to maintain the harmonious proportions of the 39mm case. To verify this on your watch, use a digital calliper and measure the distance between the inner shoulders of the attachment pins. It is essential to respect this dimension when selecting an aftermarket strap to ensure absolute compatibility and protect the case integrity.
Which strap material is most suitable for the IWC Da Vinci IW3752-20 in rose gold?
Alligator leather of superior quality is the ideal choice for the Da Vinci in rose gold, as its characteristic grain enhances the warm tonality of the case. French calf represents an elegant alternative in burgundy or chocolate brown for more understated contexts. Shell cordovan offers exceptional durability and ages magnificently. The choice depends on your style: cognac alligator for a vintage aesthetic, black calf for modern severity, shell cordovan for long-term investment. Whichever material you select, the leather must be of superior quality to honour the gold of the case.
How do you change the strap on an IWC Da Vinci IW3752-20?
Changing the strap on the Da Vinci requires specific tools and careful attention. Use a professional spring bar tool—nothing improvised. Position the watch in a stable holder, preferably non-slip rubber. With care, press the small pin at the base of the lug from the underside until the terminal lifts, then extract the pin. Repeat for the opposite side. Verify that the new strap has the correct 19mm lug width before fastening it. If you lack experience, consult a professional watchmaker: the rose gold case deserves maximum caution to avoid scratches.
Is an aftermarket 19mm strap compatible with the IWC Da Vinci IW3752-20?
Yes, any certified 19mm strap is compatible with the Da Vinci IW3752-20. However, technical compatibility does not guarantee visual harmony. Superior quality aftermarket straps—particularly those crafted by Italian artisans—maintain rigorous construction standards that respect both the dimensions and visual proportions of the case. Beware of inexpensive generic 19mm straps, which often present loose tolerances. Choose specialised brands that publish finishing specifications and offer warranty: a durable strap is an investment that protects the value of your IWC.
How long does a leather strap last on a watch such as the Da Vinci IW3752-20?
The lifespan of a leather strap depends on the material, use, and maintenance. Quality alligator may last 5-8 years in daily wear. Calf leather, more delicate, typically lasts 3-5 years. Shell cordovan, owing to its natural density, can exceed 10 years. Frequent exposure to water, perspiration, and UV rays accelerates ageing. To extend longevity, remove the strap when you do not wear the watch for extended periods and store it in a dry environment. Apply a protective balm every 6-12 months. An artisan strap with tip stitching, crafted by masters such as Casati Milano, ages more dignified than an industrial strap, developing patina and character.
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
