IWC Schaffhausen Portugieser Perpetual Calendar Digital Date-Month

The IWC Portugieser Perpetual Calendar Digital Date-Month, reference IW397201, is a chronograph with a 45 mm platinum case. The watch has a perpetual calendar; case thickness is 15.9 mm. Self-winding calibre 89801 has a 68-hour power reserve, 51 jewels and 474 components. Arched-edge sapphire glass with antireflective coating on both sides covers the silver dial with a large double-digit date display, small hacking seconds and a flyback function. A black alligator leather strap by Santoni is on the watch. Water resistance is rated to 30 metres. A see-through case back displays the movement.