IWC Pilots Father and Son Watch 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: 226 gIW325512 (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: 68 g.