IWC IWC Portuguese Double Chronograph Rattrapante — Hodinkee Community
IWC Portugieser Chronograph Rattrapante Platinum for $19,950 for sale from a Private Seller on Chrono24
Richard Habring's Personal IWC Portugieser Split-Seconds Chronograph Prototype Ref. 3712 At Phillips Geneva Watch Auction XII: A Unique Piece Of Horological History - Quill & Pad