IW9252-02Ref

The Da Vinci Perpetual Calendar reference IW9252-02 features a polished white gold case paired with a white dial. Introduced in 1985 with the reference 3570, this iconic perpetual calendar module became the industry's most widely used mechanism, powering various IWC and JLC models. The 3750 series measures 39mm by 14.3mm with hinged lugs, utilizing calibers 79060, 79061, or 79261 depending on the production year.