A.LANGE & S?HNE. A VERY FINE AND RARE PLATINUM LIMITED EDITION TOURBILLON WRISTWATCH WITH POWER RESERVE AND DATE SIGNED A.LANGE & S?HNE, GLASHUTTE I/SA, LANGE 1 TOURBILLON MODEL, NO. 83/150, REF. 704.025, MOVEMENT NO. 16'208, CASE NO. 129'333, CIRCA 2002 Movement: Cal. L961.2, manual, 49 jewels, signed Dial: Signed Case: Glazed display back secured by 6 screws, 38.5 mm. diam., signed With: Platinum A. Lange & S?hne deployant clasp, International Guarantee dated 7 May 2002, product literature, presentation box and outer packaging
Released at the turn of the millennium, the Lange 1 Tourbillon is the world's first wristwatch to combine a one minute tourbillon, oversized date, twin mainspring barrels for three days power reserve and a progressive power reserve indicator. Calibre L961 is assembled from 378 parts and features a tourbillon suspended between two diamond end stones.