The IWC Portofino 4581, built with a 37mm case and the self-winding caliber 35111, includes reference IW4581-11, which is finished in stainless steel with a diamond-set bezel and a blue dial.
Movement Type
Automatic
Caliber
35111Jewels
25
Reserve
42
Frequency
28800
Hands
Center Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Thickness
9.00 mm
Diameter
37.00 mm
Water Resistance
30.00 m
Dial Color
Blue
Material
Blue
