Important Collectors' Wristwatches, P...

New York, Jun 15, 2005

LOT 272

"Langematik Perpetual" A. Lange & Söhne, Glashütte in Sachsen, "Langematik Perpetual", Ref. 310.025. Production of this reference started in 2001. Very fine and rare, astronomic, self-winding, water-resistant, platinum gentleman's wristwatch with perpetual calendar, over-sized date, moon phases and a platinum A. Lange & Söhne buckle. Accompanied by a special fitted winding box and certificate.

C. Three-body, solid, polished and brushed, rounded bezel, transparent case back with 6 screws, push button on the band to adjust thedate, sapphire crystals. D. Matte solid silver with applied radial 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 moonphases. White gold luminous "alpha" hands. M. Cal. L922.1 ("Sax-O-Mat" with zero-reset feature), nickel silver, "fausses côtes" decora-tion,43 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock-absorber, self-compensating flatbalance-spring, "swan-neck" micrometer regulator, 21K gold bi-directional micro-rotor with platinum segment, hand-engraved balancebridge. Dial, case and movement signed.Diam. 38 mm. Thickness: 11 mm.