For the first time, the Portofino Chronograph is offered in an 18-carat 5N gold case with a blue dial.

Overview
Reference: IW391035
Dial Color: Blue
Case: 18 ct 5N gold
Strap: Black alligator leather strap View all compatible straps
Diameter: 42 mm
Movement: Automatic, self-winding

Features
Small hacking seconds
Sapphire glass, convex, antireflective coating on both sides
Day and date display
Chronograph function with hours, minutes and seconds

Case
Strap width: 20 mm
Buckle width: 18 mm
Case: 18 ct 5N gold
Diameter: 42 mm
Height: 13.6 mm
Water Resistance: 3 Bar
Back case: Standard

Movement
Caliber: 75320
Movement type: Automatic, self-winding
Power Reserve: 44 hours
Frequency: 28800 Vph (4 Hz)
Components: 240
Jewels: 25