Equipped with the caliber 631 'MecaQuartz' chronograph movement, the IWC Portofino Lady Chronograph IW3730-07 has a 29.00mm yellow gold case and a black dial.
Movement Type
Quartz
Caliber
631Jewels
25
Hands
Small Seconds
Shape
Round
Lug Distance
16.00 mm
Material
Yellow Gold
Glass
Sapphire
Thickness
7.90 mm
Diameter
29.00 mm
Water Resistance
30.00 m
Dial Color
Black
Material
Alligator