IW3750-34Ref

The Da Vinci Perpetual Calendar IW3750-34 features a polished stainless steel case paired with a black dial. Debuting in 1985 with the reference 3570, this iconic perpetual calendar module became the most widely utilized mechanism of its kind, eventually serving as the foundation for models like the Grande Complication and the Destriero Scafusia. The 39mm by 14.3mm case includes hinged lugs and houses movements evolving from the caliber 7906(0) to the 79261.