The IWC Portofino 4581, released with a 37mm case and caliber 35111 movement, includes reference IW4581-08, which features a diamond-set bezel, red gold case, and 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
Material
Ardoise
