IWC - The Geneva Watch Auction: XI Geneva Lot 58 June 2020 | Phillips
IWC - The Geneva Watch Auction: XI Geneva Lot 117 June 2020 | Phillips
IWC, REF. 3710, TRIPLE DATE MOONPHASE CHRONOGRAPH, No. 082/150, GOLD at auction | LOT-ART
Vintage Chronograph With Full Calendar Moon Phase Ref-3710 18k Yellow Gold Bj-1983
A Week On The Wrist: The IWC Da Vinci Perpetual Calendar Chronograph In Steel - Hodinkee
IWC Portuguese Automatic IW358305 - Portugieser Automatic blue Dial Stainless Steel Men's Watch | Watch Rapport
IWC IW502003 Big Pilot Stainless 7 Day "Rodeo Drive" Ceramic Limited Edition (33141) | European Watch Co.
IWC Reference 3710, limited edition numbered watch, 1982, three dial chronograph with moon phase, precursor to Da Vinci | WatchUSeek Watch Forums
IWC Portugieser History: Explaining the Legend – Video
IWC - The Hong Kong Watch Auction:... Lot 859 November 2018 | Phillips
IWC IW502003 Big Pilot Stainless 7 Day "Rodeo Drive" Ceramic Limited Edition UNWORN (37774) | European Watch Co.
IWC and a history of Perpetual Calendars -
Brandizzi | IWC Portofino Ref. 3710
IWC - The Hong Kong Watch Auction:... Lot 810 November 2021 | Phillips
IWC Portofino Complications second hand prices
Pre-Owned IWC Pilot's Watch Double Chronograph Edition "Antoine de Saint Exupery" IW3718-08 | WatchBox
Vintage Chronograph With Full Calendar Moon Phase Ref-3710 18k Yellow Gold Bj-1983
