Important Collectors’ Wristwatches, P...

New York, Jun 14, 2006

LOT 107

"Langematik Perpetual" A. Lange & Söhne, Glashütte i. Sa., "Sax - O - Mat", No. 28415, case No. 138373, Ref. 310.025. Production of this reference started in 2001, sold on December 12, 2003. Very fine and rare, astronomic, self-winding, platinum gentleman's wristwatch with perpetual calendar, moon phases, oversized date and a platinum A. Lange & Söhne deployant clasp. Accompanied by a special fitted winding box and a certificate.

C. Three-body, solid, polished and brushed, rounded bezel, transparent case back with 6 screws, push button on the band to correct the date, sapphire crystals. D. Satiné solid silver with applied white gold Roman numerals, subsidiary dials for the days of the week, the months, the leap year, the 24 hours with day/night indication and the seconds, apertures for the oversized date at 12 and the moon phases at 6. White gold luminous "alpha" hands. M. Cal. L922.1 ("Sax-O-Mat" with zero-reset feature), maillechort, "fausses côtes" decoration, 43 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock-absorber, self-compensating flat balance-spring, "swan-neck" micrometer regulator, 21K gold micro-rotor with platinum segment, handengraved balance bridge. Dial, case and movement signed. Diam. 38 mm. Thickness: 10 mm.