IWC Schaffhausen and Net-A-Porter have collaborated to create a new version of the Portofino Automatic 37 in a crisp, contrasting black and white design code, reflecting the brand aesthetics of Net-A-Porter.

Overview
Reference: IW458611
Dial Color: Black
Case: Stainless steel
Strap: White calfskin strap with quick-change system View all compatible straps
Diameter: 37 mm
Movement: Automatic, self-winding, IWC-manufactured movement

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

Case
Strap width: 18 mm
Buckle width: 16 mm
Case: Stainless steel
Diameter: 37 mm
Height: 9.4 mm
Water Resistance: 5 Bar
Back case: With synthetic sapphire crystal

Movement
Caliber: 32111
Movement type: Automatic, self-winding
IWC-manufactured movement: Yes
Power Reserve: 120 hours
Frequency: 28800 Vph (4 Hz)
Components: 163
Jewels: 21
Decoration: Côtes de Genève, Perlage