Additional Information Father/Son model that comes as a set:

IW500413 (father)
Mechanical movement
Automatic Pellaton winding system
Seven-day power reserve when fully wound
Power reserve display
Glucydur* beryllium alloy balance with high-precision adjustment cam on the balance bars
Breguet spring
Date display
Central hacking seconds hand
Convex sapphire glass, antireflective on both sides and secured against displacement by drop in air pressure
Glass: sapphire, convex, antireflective, resistant against pressure drop
Crown: screwed
Water-resistant: 6 bar
Case diameter: 46.2 mm
Case height: 15.8 mm
Weight: Pilot's Watches for Father and Son in platinum with crocodile leather strap: 226g
Calibre: 51111
Vibrations: 21 600/h / 3 Hz
Jewels: 42
Power reserve: 7 days (168 hours)

IW325512 (son)
Mechanical movement
Automatic winding system
42-hour power reserve when fully wound
Date display
Central hacking seconds hand
Convex sapphire glass, antireflective on both sides and secured against displacement by drop in air pressure
Glass: sapphire, convex, antireflective, resistant against pressure drop
Crown: screwed
Water-resistant: 6 bar
Case diameter: 39 mm
Case height: 11.5 mm
Weight: Pilot's Watches for Father and Son in stainless steel with crocodile leather strap: 68g
Calibre: 30110
Vibrations: 28 800/h / 4 Hz
Jewels: 41
Power reserve: 42 h

IW500413 (father) - Mechanical movement - Automatic Pellaton winding system - Seven-day power reserve when fully wound - Power reserve display - Glucydur* beryllium alloy balance with high-precision adjustment cam on the balance bars - Breguet spring - Date display - Central hacking seconds hand - Convex sapphire glass, antireflective on both sides and secured against displacement by drop in air pressure * IWC Schaffhausen is not the legal owner of the Glucydur trademark. This mark is protected as the legal property of a third party and marked with (*). IW325512 (son) - Mechanical movement - Automatic winding system - 42-hour power reserve when fully wound - Date display - Central hacking seconds hand - Convex sapphire glass, antireflective on both sides and secured against displacement by drop in air pressure IW500413 (father) - Glass: sapphire, convex, antireflective, resistant against pressure drop - Crown: screwed - Water-resistant: 6 bar - Case diameter: 46.2 mm - Case height: 15.8 mm - Weight: Pilot’s Watches for Father and Son in platinum with crocodile leather strap: 226 g IW325512 (son) - Glass: sapphire, convex, antireflective, resistant against pressure drop - Crown: screwed - Water-resistant: 6 bar - Case diameter: 39 mm - Case height: 11.5 mm - Weight: Pilot’s Watches for Father and Son in stainless steel with crocodile leather strap: 68 g IW500413 (father) - Calibre: 51111 - Vibrations: 21 600/h / 3 Hz - Jewels: 42 - Power reserve: 7 days (168 hours) - Winding: automatic IW325512 (son) - Calibre: 30110 - Vibrations: 28 800/h / 4 Hz - Jewels: 41 - Power reserve: 42 h - Winding: automatic Watches have always been one of the most personal of family gifts. Linked as they often are with a special memory, a joyous occasion or an unforgettable piece of family history, their value goes far beyond that of an everyday object. Now, young men no longer need to wait to inherit a much-coveted timepiece. Because IWC now offers all fathers and sons an exclusive opportunity to demonstrate the good taste they have in common while retaining their distinctive personalities with the Pilot's Watches for father and son. The external similarities are in the family: the same pale rhodium-plated dial with the cockpit-style design, the striking screw-in onion-shaped crown and the brown crocodile leather strap. Hidden away inside the platinum case of the Big Pilot's Watch for fathers is the imposing IWC-manufactured 51111-calibre movement with its seven-day power reserve. The stainless steel model for the son is technically identical with the Pilot's Watch Mark XVI. This watch is available with a pin buckle or, by special order and for an extra consideration, with a deployant clasp. The inner circle on the back cover is reserved for an engraving of the lucky recipient’s name: not only a stylish dedication but also a safeguard against mix-ups. The new watch family also comes in larger sets for fathers with several sons.