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Auktionen Dr. Crott 91st Auction

363362 A. Lange & Söhne, Glashütte i/SA, “1815 Mondphase”, Movement No. 14143, Case No. 124016, Ref. 231.031, Cal. L943.1, 36 mm, Height 8 mm, circa 2000 A gentleman’s extremely rare, as new Glashuette wristwatch with moon phase - limited edition No. 16 of 250 pieces, “Hommage à Emil Lange”, (1849-1922) - with original box, transport carton, operating instructions, setting pin and guarantee Case: 18k pink gold, screwed on glazed back of non-reflecting sapphire glass, numbered, signed, moon phase corrector at “10”, 18k “Lange” pink gold deployant clasp. Dial: black, applied gold indexes/Arabic “12”, auxiliary seconds at “4” with seconds stop device, applied constellation, pink gold moon disc, pink gold alpha hands. Movm.: 4/5 plate movement, “fausses côtes” decoration, signed, 5 adj., 26 jewels, hack feature, six screwed gold chatons, 45h power reserve, Glucydur screw balance, very finely engraved balance cock, index spring fine adjusting device, incabloc shock protection for balance. Thousand-year moon phase mechanism What will first and foremost fascinate the clock enthusiast is the precision with which the Lange designers have calculated the transmission of the moon phase indication for exactly 1000 years to come - the engineers did not settle for the conventional moon phase calculation which assumes that the moon travels around the earth in approximately 29 days, but tried to adapt to the actual astronomical conditions; these are based on the exact time of the synodic month, which is 29 days, 12 hours, 44 minutes and 3 seconds. The “Big Dipper” with its seven similar sized stars is depicted with gold appliques. Next to the centrally located star “Mizar” is the smaller “Alcor” (Arabic: saddles), which in ancient times was used as a popular test object for excellent sharpness of vision. This means that the “1815 MONDPHASE” follows the same principle of calculation as the very large astronomical clocks do. Source: “Die Legende ist wieder Uhr geworden” by Lange Uhren GmbH, Glashuette 1999. 朗格 格拉蘇蒂i/SA “1815 月相顯示” — 極罕見的格拉蘇蒂男仕 新款腕錶,附月相顯示 - 250件限量款中的第16件 ”Hommage à Emil Lange 1849 - 1922”, 附原盒、運送箱、操作說明書、調 整筆及保證書 40929 C: 2 D: 2 M: 2, 41 19.000 - 25.000 EUR 20.900 - 27.600 USD 171.000 - 225.000 HKD A. Lange & Söhne, Glashütte i/SA “1815 Flyback Chronograph”, Movement No. 43555, Case No. 153385, Ref. 401.031, Cal. L951.0, 39 mm, circa 2004 A gentleman’s as new, heavy Glashuette wristwatch with chronograph - with original box und transport carton, operating instructions and guarantee Case: 18k pink gold, screwed on sapphire glazed back, numbered, signed, 18k “Lange” pink gold buckle. Dial: solid silver, black, Arabic numerals, 30 min. counter, flyback, jumping minute counter, auxiliary seconds with seconds stop device, pulsation scale, pink gold alpha hands. Movm.: 3/4 plate movement, German silver, “fausses côtes” decoration, four screwed gold chatons, 5 adj., 34 jewels, hack feature, finely ground and bevelled chronograph steel parts, ratchet wheel, Glucydur screw balance, Nivarox balance spring, very finely engraved balance cock, index spring fine adjusting device, incabloc shock protection for balance. 朗格 格拉蘇蒂 “1815 Chronograph” — 厚實的格拉蘇蒂男仕新款 腕錶,附碼錶,另附原盒,運送箱,操作說明書及保證卡 40943 C: 2 D: 2 M: 2, 41 24.000 - 30.000 EUR 26.500 - 33.000 USD 216.000 - 270.000 HKD