IWC · Da Vinci
Strap for Da Vinci Perpetual 3921 Platinum / Silver
Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
18mm
Lug width18 mm
Case diameter43 mm
ReferenceIW3921-04 (aka: IW392104)
FamilyDa Vinci
MovementIWC caliber 89630
Hours, Minutes, Small Seconds | Date, Day, Month, Perpetual Calendar, Year Indicator | Chronograph, Flyback | Moonphase
CasePlatinum
The Da Vinci IW3921-04 (aka: IW392104), seen from the bench
The Da Vinci IW392104 is equipped with the IWC 89630 caliber with perpetual calendar, flyback chronograph and moon phase functions. The movement integrates indications for day, date, month and year, in addition to small seconds and chronograph. It presents multiple complications in a single timepiece with a mechanical perpetual calendar.
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