The IWC Portofino reference IW4581-05 is crafted with a 37mm red gold case and a silver dial. It operates on the self-winding caliber 35111.
Movement Type
Automatic
Caliber
35111Jewels
25
Reserve
42
Frequency
28800
Hands
Center Seconds
Shape
Round
Material
Red Gold
Glass
Sapphire
Thickness
9.00 mm
Diameter
37.00 mm
Water Resistance
30.00 m
Dial Color
Silver
