Launched in 2015, the IWC Portofino Hand-Wound Monopusher boasts a 45mm large case, a hand-wound movement, a monopusher chronograph, a date function, and a power reserve display. Reference IW5151-03 is presented in a white gold case with a slate dial.
Movement Type
Manual Chronograph
Caliber
59360Jewels
36
Reserve
192
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
22.00 mm
Material
White Gold
Glass
Sapphire
Thickness
12.80 mm
Diameter
45.00 mm
Water Resistance
30.00 m
Dial Color
Grey