Equipped with the self-winding caliber 79230, the IWC Portofino Chronograph reference IW3910-05 is encased in 42.00mm of stainless steel and finished with a silver dial.
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
Material
Mesh
