IWC Schaffhausen Portugieser Tourbillon Mystère Rétrograde

The IWC Portugieser Tourbillon Mystère Rétrograde, reference IW504402, has a 44.2 mm case in 18-carat 5N gold. The watch has a flying minute tourbillon; the case is 15.7 mm thick. Self-winding calibre 51900 has a 168-hour power reserve, 44 jewels and 368 components. The silver dial, covered by convex sapphire glass with antireflective coating on both sides, has a date display and a power reserve indicator. A dark brown alligator leather strap is on the watch. The case's water-resistance rating is 30 metres. Movement decoration includes Côtes de Genève, perlage and polishing.