IWC · Da Vinci

Strap for Da Vinci Perpetual Rattrapante Yellow Gold / Diamond / Silver / Italian / Bracelet

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
ReferenceIW925502 (aka: IW925502)
FamilyDa Vinci
MovementIWC caliber 79251 Hours, Minutes, Small Seconds | Date, Day, Month, Perpetual Calendar, Year Indicator | Chronograph, Rattrapante
CaseYellow 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 IW925502 (aka: IW925502), seen from the bench

The Da Vinci IW925502 features the IWC 79251 caliber with perpetual calendar, split-seconds chronograph, and year indication functions. The watch has small seconds, date, day, and month displays along with the chronograph complications. The lugs measure 19mm in width.

Frequently asked questions

What is the lug width of the IWC Da Vinci IW925502?

The lug width of the IWC Da Vinci IW925502 is 19mm. This dimension, less common than standard 18mm or 20mm measurements, requires a specific search for compatible straps. To verify it, measure the space between the two lugs of the case using a digital calliper.

Which strap material is most suitable for the IWC Da Vinci IW925502 in yellow gold?

For yellow gold, alligator (natural grain that amplifies aurous reflections), vegetable-tanned calf (which develops patina over time), and shell cordovan (with polished surface creating sophisticated contrast) are ideal. Each material offers different chromatic synergies: medium-brown alligator for vintage-modern effect, burgundy-dark cordovan for dramatic contrast, cognac calf for progressive warmth.

How do you change the strap on an IWC Da Vinci IW925502?

Strap replacement requires a spring bar tool with extractor function. Position the tool's tip in the lug slot, gently press the spring pin inward, then extract the pin itself. Repeat on the opposite side. Insert the new strap by guiding the pins into the slots and pressing until they click. If you lack experience, entrust the operation to a professional: precision is critical on a movement of this complexity.

Can I use an aftermarket strap compatible with my IW925502, or is it advisable to remain faithful to official IWC straps?

An artisanal strap of superior quality, crafted according to precise technical specifications (19mm lug width, correct height, stitching finish), often offers aesthetic and functional results superior to OEM replacement straps. Milano Straps proposes customisable 19mm straps in leathers, colours, and finishes: technical compatibility is absolute, and construction quality is often comparable to that of major European ateliers.

What is the average lifespan of a leather strap on a watch like the IW925502?

A quality leather strap (alligator, vegetable-tanned calf, shell cordovan) used daily on a 39mm watch like the Da Vinci typically lasts 3-5 years. Lifespan depends on usage intensity, humidity permeability, and maintenance. Vegetable leathers develop visible aesthetic wear (patina) but maintain structural integrity. Milano Straps offers an 18-month warranty on bespoke straps, with regeneration and pin replacement options.

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