Encased in 42.00mm of stainless steel, the IWC Portofino Chronograph IW3910-33 is powered by the automatic caliber 75320 and features a black dial.
Movement Type
Automatic Chronograph
Caliber
75320Jewels
25
Reserve
44
Frequency
28800
Hands
Small Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Thickness
13.50 mm
Diameter
42.00 mm
Water Resistance
30.00 m
Dial Color
Black
Material
Milanese
