A. Lange & Söhne. A very fine and rare 18K gold automatic perpetual calendar wristwatch with moon phases, oversized date and zero-reset function
Signed A. Lange & Söhne, Glashütte I/SA, SAX-O-MAT, Langematik Perpetual model, ref. 310.021 F, movement no. 28'205, case no. 138'275, manufactured in 2004
Cal. L992.1 nickel-finished lever movement, 43 jewels, finely hand-engraved balance bridge, swan neck regulator, 21K gold micro-rotor with platinum rim, solid silver dial, applied gold Roman numerals, luminous hands, outer railway minute divisions, large double window for date, three subsidiary dials for weekday and 24 hour display, month and leap year, constant seconds and moon phases, large circular case, calendar change button in the band, glazed display back secured by six screws, 18K gold A. Lange & Söhne deployant clasp, case, dial and movement signed
38.5 mm. diam.
A. Lange & Söhne. A very fine and rare 18K gold automatic perpetual calendar wristwatch with moon phases, oversized date and zero-reset function
Signed A. Lange & Söhne, Glashütte I/SA, SAX-O-MAT, Langematik Perpetual model, ref. 310.021 F, movement no. 28'205, case no. 138'275, manufactured in 2004
Cal. L992.1 nickel-finished lever movement, 43 jewels, finely hand-engraved balance bridge, swan neck regulator, 21K gold micro-rotor with platinum rim, solid silver dial, applied gold Roman numerals, luminous hands, outer railway minute divisions, large double window for date, three subsidiary dials for weekday and 24 hour display, month and leap year, constant seconds and moon phases, large circular case, calendar change button in the band, glazed display back secured by six screws, 18K gold A. Lange & Söhne deployant clasp, case, dial and movement signed
38.5 mm. diam.
