Material & Design
This IWC Big Pilot Perpetual Calendar TOP GUN model is crafted from exclusive Ceratanium®—a cutting-edge material developed by IWC. It combines the lightness of titanium with the hardness and scratch resistance of ceramic. The result is a robust, matte black finish that is both biocompatible and highly durable. The black dial, grey imprinting, and black hands give the watch a stealthy, technical look.
Bracelet & Case
The Ceratanium ® bracelet is about 30% lighter than steel and extremely comfortable on the wrist. The 46.2 mm case features a screwed-in crown and a see-through sapphire glass back, offering a view of the movement inside. Water-resistant to 6 bar, this watch is built to perform.
Movement & Functionality
Powered by the IWC-manufactured calibre 52615, this timepiece offers:
- 7-day power reserve in twin barrels
- Pellaton automatic winding with ceramic components
- Perpetual calendar displaying date, day, month, year in four digits
- Double moon phase for both hemispheres—deviates just one day in 577.5 years
- All functions are adjustable via the crown
Special Features
- Double Moon Display at 12 o’clock
- Antireflective sapphire crystal on both sides
- Small hacking seconds
- Rotor with 18-carat gold medallion
- Calendar pre-programmed until the year 2100
Summary
The IWC Big Pilot’s Watch Perpetual Calendar TOP GUN Ceratanium (Ref. IW503604) blends innovation, precision, and striking aesthetics. A must-have for collectors of IWC Big Pilot Top Gun Perpetual Calendar models, this watch offers cutting-edge technology with a bold black-on-black look.

