The IWC Portofino Chronograph IW3910-37 features a 42.00mm stainless steel case, a silver dial, and the self-winding caliber 79230.
Movement Type
Automatic Chronograph
Caliber
79230Jewels
29
Reserve
44
Frequency
21600
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
Silver
