Introduced in 2021, the 37mm IWC Portofino reference IW4581-20 is powered by the self-winding caliber 35111. This stainless steel model features a silver dial and is sold exclusively via Net-A-Porter.
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
Silver
