72. Patek Philippe. A fine large and rare 18K rose gold keyless wind perpetual calendar minute repeating full hunter pocket watch with moon phase Date: Purchased 6th February 1897 Movement: Nickel full plate, Swiss lever, cut and compensated bi-metallic balance wheel, two gongs hitting on two serpentines, No.97421 Dial: White, black Roman numeral hour markers, black outer minute track, subsidiary dials at 3, 6, 9 and 12 for running seconds combined with date, month, day and moon phases indication, blued steel spade hands Case: Polished hinged round, fine and blue monogram to front, 18K gold signed cuvette, quick set buttons to bezel at 7 and 11, repeating slide to band at 6, No.97421/ No.215740 Signed: Case, dial & movement Size: 56mm Weight: 170,37g Accompaniments: Patek Philippe & Co. wooden box, spare crystal with case number, spare spring, Patek Philippe Certificate of Origin and Guarantee dated 06/02/1897, Patek Philippe Bulletin de Marche dated 06/02/1897, Patek Philippe service letter dated 16/03/1906 A true testament to Patek Philippe's mastery of complicated watchmaking, this distinguished 18K yellow gold pocket watch brings together three of the manufacture's most celebrated complications: the minute repeater, the perpetual calendar with day, date and month, and an exquisite moon phase indication. Numbered 97421, it exemplifies the technical innovation and timeless elegance that defined Geneva's golden age of horology. This remarkable watch is offered with an extraordinary ensemble of original accessories: its fitted presentation box, the certificate of origin and warranty, the bulletin de marche, and a historic letter from Patek Philippe dated 1906, confirming the watch's return from service. The letter reads: "Sir, We have the honor of informing you that today we have returned to you the gold watch No. 97421, duly repaired. This piece being in perfect condition, we are pleased to note its very satisfactory performance. The watch has been tested for several days by our workshop, which allowed us to confirm its excellent running and precision. In order to spare you any inconvenience, we have taken the liberty of enclosing a reimbursement for your expenses, which amounted to 40 francs." The survival of such documentation alongside the watch provides not only a guarantee of authenticity but also a vivid and personal glimpse into the life of the timepiece and the attentive service culture of Patek Philippe in the early 20th century. Further underscoring its significance, the watch was personally inspected by Osvaldo Patrizzi in October 1990. Uniquely, the original handwritten card by Patrizzi confirming this valuation is preserved and offered with the watch, adding yet another layer of provenance and scholarly recognition to this important timepiece. Both mechanically sophisticated and historically resonant, this pocket watch is far more than a complication: it is a unique treasure of Geneva's haute horlogerie, uniting artistry, technical brilliance and provenance of the highest order.