Introduced in 1983 as a more compact successor to the 1976 'Jumbo' SL, the IWC 'Skinny' Ingenieur SL Automatic 3505 features a 34.00mm case. The stainless steel reference IW3505-01 is powered by the ETA-based self-winding caliber 375 and displays a white dial.
Movement Type
Automatic
Caliber
375Jewels
21
Reserve
42
Frequency
28800
Hands
Center Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Thickness
8.60 mm
Diameter
34.00 mm
Water Resistance
120.00 m
Dial Color
White
Material
Bracelet
