Featuring a design that is as timeless as it is elegant, the Portofino Hand-Wound Moon Phase is available in 18-carat 5N gold with a silver-plated dial for the first time.

Overview
Reference: IW516409
Dial Color: Silver plated
Case: 18 ct 5N gold
Strap: Blue alligator leather strap by Santoni
Diameter: 45 mm
Movement: Manual-winding, IWC-manufactured movement

Features
Small hacking seconds
Date display
Sapphire glass, arched-edge, antireflective coating on both sides
Power reserve display
Moon phase display
8 days power reserve

Case
Strap width: 22 mm
Buckle width: 18 mm
Case: 18 ct 5N gold
Diameter: 45 mm
Height: 13.1 mm
Water Resistance: 3 Bar
Back case: With synthetic sapphire crystal

Movement
Calibre: 59800
Movement type: Manual-winding
IWC-manufactured movement: Yes
Power Reserve: 192 hours
Frequency: 28800 Vph (4 Hz)
Components: 232
Jewels: 30
Decoration: Côtes de Genève, Perlage