IWC Schaffhausen Portugieser Tourbillon Hand-Wound

The IWC Portugieser Tourbillon Hand-Wound, reference IW546301, has a 43.2 mm case in white gold. The watch has a flying minute tourbillon; the watch's case has a thickness of 11.1 mm. Manual-winding calibre 98900 has a 54-hour power reserve, 21 jewels and 227 components. The grey dial has small hacking seconds. A dark brown alligator leather strap by Santoni is on the watch. The case carries a water-resistance rating of 30 metres. A see-through case back displays the movement. The dial is covered by arched-edge sapphire glass with antireflective coating on both sides.