The IWC Portofino reference IW4581-03 features a 37mm stainless steel case accented by a diamond-set bezel. It houses the self-winding caliber 35111 and displays a silver 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
Silver
Material
Silver
