IWC · Da Vinci

Strap for Da Vinci Perpetual White Gold / Diamond / Paved / English

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

19mm
Lug width19 mm
Case diameter39 mm
ReferenceIW8153-15 (aka: IW815315)
FamilyDa Vinci
MovementIWC caliber 79261 Hours, Minutes, Small Seconds | Date, Day, Month, Perpetual Calendar, Year Indicator | Chronograph
CaseWhite Gold

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Da Vinci IW8153-15 (aka: IW815315), seen from the bench

The Da Vinci IW815315 features the IWC 79261 calibre with perpetual calendar and chronograph functions. The movement indicates hours, minutes, small seconds, date, day, month and year in addition to the chronograph function. The watch has 19mm lugs for the strap.

Frequently asked questions

What is the lug width of the IWC Da Vinci IW8153-15?

The lug width of the Da Vinci IW8153-15 is 19mm. This dimension is characteristic of the Da Vinci collection and requires straps specifically calibrated to this width. It is important not to confuse lug width with case diameter: the 39mm refers to case diameter, not strap width.

Which strap is most suitable for the IWC Da Vinci IW8153-15 in white gold?

For the white gold Da Vinci IW8153-15, we recommend noble leathers such as matte-finished alligator or high-quality Taurillon calf with vegetable tanning. Alligator creates elegant contrast by highlighting the cool undertone of white gold, whilst premium calf develops a patina that mirrors the natural ageing of the case. Avoid overly structured straps that might visually compete with the lacquered dial.

How do you measure a watch's lug width?

Lug width is measured by determining the distance between the two lugs where the strap attaches to the case. Use a digital calliper or millimetre ruler positioned perpendicular to the watch body. For the Da Vinci IW8153-15, the distance must be exactly 19mm. If in doubt, always consult IWC's official documentation or seek professional advice before purchasing an aftermarket strap.

Are the 19mm straps from milanostraps.it compatible with the Da Vinci IW8153-15?

Yes, all straps in the 19mm collection from milanostraps.it are compatible with the Da Vinci IW8153-15. The straps are handcrafted and manufactured to precise tolerances to ensure perfect fit on the lugs. You can choose from various leathers, colours, personalised lengths, and buckle types, including deployant buckles to complete the luxury experience.

What is the average lifespan of a leather strap for the Da Vinci IW8153-15?

A noble leather strap—alligator, Taurillon calf, or shell cordovan—typically lasts 3-5 years with daily use and routine maintenance. Longevity depends on tanning method (vegetable tanning is more durable), exposure to humidity, perspiration, and cleaning frequency. High-quality artisanal straps, such as those from Casati Milano, with their meticulous construction, offer superior durability and can be professionally restored by specialists.

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