The Big Pilot’s Watch Perpetual Calendar in stainless steel with a blue dial continues the long-standing tradition of perpetual calendar watches in the Big Pilot’s collection.

Overview
Reference: IW503605
Dial Color: Blue
Case: Stainless steel
Strap: Blue calfskin strap View all compatible straps
Diameter: 46.2 mm
Movement: Automatic, self-winding, IWC-manufactured movement

Features
Small hacking seconds
Sapphire glass, convex, antireflective coating on both sides
Glass secured against displacement by drop in air pressure
Rotor with 18-carat gold medallion
Power reserve display
7 days power reserve
Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase for the northern and southern hemisphere

Case
Strap width: 22 mm
Buckle width: 18 mm
Case: Stainless steel
Diameter: 46.2 mm
Height: 15.4 mm
Water Resistance: 6 Bar
Crown: Screwed-in
Back case: With synthetic sapphire crystal

Movement
Caliber: 52616
Movement type: Automatic, self-winding
IWC-manufactured movement: Yes
Power Reserve: 168 hours
Frequency: 28800 Vph (4 Hz)
Components: 379
Jewels: 54