Unique German rare silver complicated lever watch Circa 1922

Very heavy complicated pocket watch by Friedrich Schildt
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The most complicated watch ever produced at the German watchmaking school in Glashütte, with chronograph, complete calendar and moon phase; with certificate of recognition for distinguished achievements (dated April 28th, 1922), medal and certificate awarded by the international trade fair in Berlin (dated May 28th, 1938), and two copies of documentation – with original mahogany box and school leaving certificate, circa 1922.
Silver polished case with gold crown and pusher. Signed silvered dial with Arabic numerals, auxiliary seconds, two subsidiary dials for indications of the date and weekday, cobalt blue enamelled moon phase disc with inlaid golden moon and stars, oval window for month, tachy scale and blued spade hands. 3/4 plate movement, frosted, gilt, signed, with very finely ground and bevelled chronograph steel parts, ratchet wheel, gold wheel train, gold screw compensation balance, fine engraved balance cock, index spring fine adjusting device and gold lever and escape wheel.
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Diameter: 59 mm
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Weight: 162 g
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Signed: Friedrich Schildt, Uhrmachermeister D.U.S. Glashütte i/SA
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Quote from a letter by Reinhard Reichel of the watch museum in Glashütte, dated April 25th, 2002: “Schildt’s pocket watch with chronograph and calendar is most likely one of the most complicated watches ever made at the school. Richard Lange created the design for the watch and published it in the horological magazine “Uhrmacherwoche” in 1921. Friedrich Schildt built the only prototype of its kind while he was training at the school”.

Friedrich Schildt worked on the watch for over a year and received the certificate of recognition for distinguished achievements awarded by the Moritz Grossmann foundation from the watchmaking school for his special design ofthe calendar. Schildt later held the position of design engineer with the company Lange.