Launched as part of the IWC Portofino collection, the 37mm model 4581 is powered by the automatic caliber 35111. Reference IW4581-12 showcases a stainless steel case paired with a diamond-encrusted bezel.
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
Diamond
Material
Silver