Featuring a 35mm yellow gold case and a white dial, the IWC Portofino Chronograph IW9551-01 is powered by the 'MecaQuartz' caliber 631 movement. It was available for purchase between roughly 1988 and 1998.
Movement Type
Quartz
Caliber
631Jewels
25
Hands
Small Seconds
Shape
Round
Lug Distance
18.00 mm
Material
Yellow Gold
Glass
Sapphire
Thickness
7.80 mm
Diameter
35.00 mm
Water Resistance
30.00 m
Dial Color
White
Material
Bracelet
