IWC Schaffhausen Portugieser Yacht Club Perpetual Calendar 42

The IWC Schaffhausen Portugieser Yacht Club Perpetual Calendar 42, reference IW344101, has a rose gold case measuring 42.4 mm across. The case stands 14.1 mm thick and carries a screw-down crown. Water resistance is rated to 100 metres. An automatic, self-winding movement, calibre 82651, drives the watch and runs with a power reserve of 60 hours. A sapphire crystal with a convex profile and antireflective coating on both sides covers the black dial. The perpetual calendar shows the date, day, month and moon phase, with the central seconds running alongside. The case back is also fitted with sapphire crystal. IWC fits this reference with a black rubber strap.