IWC Schaffhausen Portugieser Chronograph Classic

The IWC Portugieser Chronograph Classic, reference IW390302, is a chronograph with a 42 mm steel case. The case measures 14.3 mm thick; self-winding calibre 89361 has a 68-hour power reserve and 38 jewels. The silver dial has a date display, small hacking seconds and a flyback function under convex sapphire glass. The watch is on a black alligator leather strap. The case carries a water-resistance rating of 30 metres. A see-through case back displays the movement. The movement has Côtes de Genève and perlage decoration. The calibre has an operating frequency of 28,800 vibrations per hour.