The Portofino Automatic Day & Night 34 features a charming day & night complication.

Overview
Reference: IW459801
Dial Color: Silver plated
Case: Stainless steel
Strap: Taupe calfskin strap with quick-change system View all compatible straps
Diameter: 34 mm
Movement: Automatic, self-winding

Features
Sapphire glass, convex, antireflective coating on both sides
Central hacking seconds
IWC bracelet quick-change system
Day & Night display

Case
Strap width: 16 mm
Buckle width: 14 mm
Case: Stainless steel
Diameter: 34 mm
Height: 8.9 mm
Water Resistance: 5 Bar
Back case: Standard

Movement
Caliber: 35180
Movement type: Automatic, self-winding
Power Reserve: 50 hours
Frequency: 28800 Vph (4 Hz)
Jewels: 24