The IWC 'Skinny' Ingenieur SL Automatic 3505 arrived in 1983 as a reduced-size version of the 1976 'Jumbo' SL. It is built with a 34.00mm case containing the caliber 375, an ETA-based automatic movement. Reference IW3505-12 features a stainless steel case, a 14k yellow gold bezel, a matching bracelet, and a black dial.
Shape
Round
Glass
Sapphire
Thickness
8.60 mm
Diameter
34.00 mm
Water Resistance
120.00 m
Dial Color
Black
Material
Black
Buckle
Bracelet
