IWC · Da Vinci
Strap for Da Vinci Perpetual White Gold / Diamond / Paved / 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 IW9253-16 (aka: IW925316), seen from the bench
Frequently asked questions
What is the lug width of the IWC Da Vinci IW9253-16?
The lug width of the IWC Da Vinci IW9253-16 is 19 millimetres. This measurement, also referred to as lug width, represents the spacing between the two lugs of the case and is essential for selecting a compatible strap. To verify this measurement correctly, use a digital calliper and measure the internal distance between the two lugs in the vertical position (12 o'clock to 6 o'clock). A 19mm strap ensures precise installation without unwanted play or gaps.
Which strap is most recommended for the Da Vinci IW9253-16 in white gold?
For the Da Vinci IW9253-16 in white gold, an alligator leather strap in black represents the most natural choice: the regular grain pattern, restrained texture, and patina that develops over time create an aesthetically coherent dialogue with the watch's inherent elegance. Alternatively, calf leather with vegetable tanning in dark brown tones (tobacco or chocolate) offers a less austere but equally formal approach. For more informal contexts, grey-black silicone rubber permits sporty usage without compromising the watch's dignity.
How do you change the strap on the IWC Da Vinci IW9253-16?
Changing the strap on the Da Vinci requires specific tools: a spring bar remover and, optionally, a magnifying lens. Proceed as follows: 1) Remove the watch from your wrist; 2) Locate the pins situated inside the upper and lower lugs; 3) Use the remover to gently compress the spring pin, leveraging outward to free the spring; 4) Repeat on the other side and remove the old strap; 5) Position the new strap by inserting one end into the spring first, then the other, until a click indicates secure locking. For precision operations, Casati Milano offers strap-change service by appointment at the atelier.
Is an aftermarket 19mm strap truly compatible with the IWC Da Vinci?
Yes, any strap with a 19mm lug width is formally compatible with the Da Vinci IW9253-16, provided it is constructed to correct engineering standards. However, technical compatibility does not guarantee aesthetic compatibility: lower-quality straps with imprecise finishing or incongruous colours can visually compromise a watch of this calibre. milanostraps.it selects straps crafted by specialist artisans using certified leathers, precise finishing, and design calibrated for luxury watches. The 18-month warranty on personalised straps from Casati Milano further ensures correct construction execution.
What is the average lifespan of a leather strap on the Da Vinci?
A high-quality leather strap (alligator, shell cordovan, French calf) fitted to a chronograph such as the Da Vinci has an average lifespan of 5–8 years of regular (daily) use, with variability dependent on climate, usage frequency, and maintenance. Alligator tends to age well, developing a sought-after patina; calf is more sensitive to humidity and requires periodic protective treatment. Vegetable-tanned materials typically last longer than chemically dyed straps. To extend useful life: avoid prolonged exposure to salt water, dry the strap after contact with perspiration, apply a natural conditioner (pure lanolin) every 6–12 months. Casati Milano offers maintenance and reconditioning services at the atelier.
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
