Bonhams : Audemars Piguet. A fine and rare early 20th Century 18ct gold keyless wind perpetual calendar pocket watch with moonphase Case and Movement No.33532, Circa 1925
SJX Watches
Pavel Bure. A Gold Perpetual Calendar Minute Repeater Chrongraph Full Hunter Pocket Watch C1900 | Watch Centre
Ten of the best perpetual calendar watches to get you through this leap year
F】 WGCS: IWC Da Vinci Perpetual Calendar Ref. 3750
Yellow Gold Patek Philippe Perpetual Calendar Pocket Watch Ref 725/2 - Rolex Passion Market
Patek Philippe PERPETUAL CALENDAR POCKET WATCH 'RARE DIAL VARIANT' REF. 725J - Collectability
Patek Philippe - The New York Watch... Lot 51 December 2022 | Phillips
Vintage Audemars Piguet Minute Repeater Perpetual Calendar Moon Phase and Leap Year Pocket Watch in Yellow Gold from 1985 | Fine & Rare luxury vintage watches at 2ToneVintage Watches Singapore.
Swiss nickel cased calendar pocket watch, lever bar movement, no. 5790, the dial with Roman numerals, subsidiary date dials and constant seconds with moon phase, plain case, 48mm (requires attention)
Two F.P. Journe Watches Could Sell for $1 Million Each at Auction | Penta
POCKET WATCH WITH PERPETUAL CALENDAR, Le ROY & FILS à Paris, ca. 1900. Yellow gold 18K. Polished case 12870, dust cover signed Le Roy & Fils, H.gers de la marine Palais Royal,