IWC Schaffhausen Big Pilot's Watch Perpetual Calendar

The IWC Big Pilot's Watch Perpetual Calendar, reference IW503608, has a 46.2 mm steel case. The watch has a perpetual calendar; at 15.4 mm thick, the case has a screw-down crown. Calibre 52616 is self-winding and has a 168-hour power reserve and 54 jewels. The green dial has a day and date display, small hacking seconds, a power reserve indicator and a moon phase display. A green rubber strap is on the watch. The case's water-resistance rating is 60 metres. Both sides of the convex sapphire glass have antireflective coating.