The Da Vinci Perpetual Calendar reference IW3750-31 combines a polished stainless steel case with a black dial. Originally introduced in 1985, this perpetual calendar technology became the most popular of its kind, appearing in diverse IWC and JLC models. The 39mm watch includes hinged lugs and transitioned through several caliber versions, specifically the 7906(0), 79061, and 79261.
Shape
Round
Lug Distance
19.00 mm
Material
Stainless Steel
Glass
Plexi
Thickness
14.30 mm
Diameter
39.00 mm
Water Resistance
30.00 m
Dial Color
Black
Material
French