IWC Schaffhausen Portugieser Tourbillon Hand-Wound Edition "D. H. Craig USA"

The IWC watch with a 43.2 mm case in 18-carat 5N gold, reference IW546306, is the Portugieser Tourbillon Hand-Wound Edition "D. H. Craig USA". This special edition has a flying minute tourbillon and a case measuring 11.1 mm thick. Manual-winding calibre 98900 has a 54-hour power reserve, 21 jewels and 227 components. The silver-plated dial has small hacking seconds beneath arched-edge sapphire glass with antireflective coating on both sides. The watch is on a black alligator leather strap by Santoni, and the case carries a water-resistance rating of 30 metres. A see-through case back displays the movement's Côtes de Genève and perlage decoration.