Pocket watch: significant Geneva chronometer with 7 complications

Ca. Ø54mm, ca. 150g, 18K gold, à-goutte savonnette, engine-turned, dome inscribed "CHRONOMETRE", signed B. Haas Jne & Cie No. 15333, top-quality Geneva Anker chronometer, perpetual calendar, moon phase, age of the moon and minute repeater, very well-preserved enamel dial, gold hands, in very good condition and in working order. Very few pocket watches of chronometer quality feature complications. This is because it was difficult to achieve the accuracy required of a chronometer in watches that had additional complications. Only a few manufacturers, such as Patek Philippe, Vacheron & Constantin and, indeed, B. Haas, were capable of doing so. These watches are now particularly sought-after and highly prized collector’s items! The ‘sister watch’, No. 15773, was offered for sale in Geneva in 2010 (https://www.cortrie.de/go/PoA). Another of these watches, No. 15849, even exceeded the upper estimate of CHF 55,000 (https://www.cortrie.de/go/7Z6).

Estimation:-

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