The Big Pilot's Watch Perpetual Calendar ProSet Le Petit Prince combines a stainless steel case and bracelet with a deep blue dial with a sunray finish. The Perpetual Calendar ProSet can be adjusted both forwards and backwards via a single crown position, making calendar adjustments as simple and intuitive as setting the time.

Overview
Reference: IW329601
Dial Color: Blue
Case: Stainless steel
Strap: Blue rubber strap with EasX-CHANGE® system
Diameter: 42 mm
Movement: Automatic, self-winding, IWC-manufactured movement

Features
Sapphire glass, convex, antireflective coating on both sides
Central hacking seconds
Glass secured against displacement by drop in air pressure
Pellaton automatic winding
Additional accessory strap included
Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase
IWC EasX-CHANGE® System

Case
Strap width: 21 mm
Buckle width: 18 mm
Case: Stainless steel
Diameter: 42 mm
Height: 14 mm
Water Resistance: 10 Bar
Crown: Screwed-in
Back case: With synthetic sapphire crystal

Movement
Caliber: 82665
Movement type: Automatic, self-winding
IWC-manufactured movement: Yes
Power Reserve: 60 hours
Frequency: 28800 Vph (4 Hz)
Components: 283
Jewels: 34