The IWC Portofino IW355001 is encased in 34.00mm of yellow gold and contains the automatic caliber 3755, which includes a moon phase display. Production of this model ran from approximately 1984 to 1986.
Movement Type
Automatic
Caliber
3755Jewels
21
Reserve
42
Frequency
28800
Hands
Center Seconds
Shape
Round
Lug Distance
18.00 mm
Material
Yellow Gold
Glass
Sapphire
Diameter
34.00 mm
Water Resistance
30.00 m
Dial Color
White
Material
White
Buckle
Strap
