IWC · Da Vinci

Strap for Da Vinci Perpetual Red Gold / Black / English / 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
ReferenceIW9252-11 (aka: IW925211)
FamilyDa Vinci
MovementIWC caliber 79261 Hours, Minutes, Small Seconds | Date, Day, Month, Perpetual Calendar, Year Indicator | Chronograph
CaseRed 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 IW9252-11 (aka: IW925211), seen from the bench

The Da Vinci IW925211 is equipped with the IWC Calibre 79261 featuring chronograph and full perpetual calendar functions including day, date, month and year indications. The watch showcases complications for hours, minutes, small seconds and chronograph integrated in the automatic movement. The lugs measure 19mm in width to accommodate the strap.

Frequently asked questions

What is the lug width of the IWC Da Vinci IW9252-11?

The lug width is 19mm. This parameter indicates the distance between the vertical lugs of the case where the strap is inserted. It is the critical value for choosing compatible straps without gaps or excessive pressure.

What is the best strap for the IWC Da Vinci IW9252-11?

There is no absolute 'best', but choices consistent with your use. For formal occasions: black alligator. For sophisticated daily wear: vegetable-tanned calf in Bordeaux or Cognac tones. For versatility: FKM rubber in navy blue or anthracite. Rose gold accepts anything that is not chromatically flat.

How do you change the strap on this model?

The IW9252-11 uses standard 19mm spring bars. Position the watch with the case horizontal, use a dedicated tool (spring bar tool) to compress the internal spring of each lug, remove the old strap and insert the new one. It is a 2-minute operation if you have the correct tool.

Can I use an aftermarket custom strap on this IWC?

Yes, provided the lug width is 19mm. Custom artisanal straps (such as those created by the Casati Milano atelier) often offer superior construction quality to the originals, allowing you to choose leather, color, thickness and type of deployant buckle.

How long does a leather strap last on this watch?

Durability depends on intensive use and care. A quality alligator or shell cordovan lasts 4-6 years if worn regularly; vegetable-tanned calf 3-5 years. Rubber resists 5-7 years. Storing the watch in a climate-controlled drawer when not worn significantly extends the life of the strap.

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