The IWC Portofino 4581 debuted with a 37mm case containing the automatic caliber 35111. Reference IW4581-06 is crafted from red gold and features a grey dial.
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
Grey
