A. LANGE & S?HNE fine & rare platinum wristwatch Anniversary-Langematik, self winding, reference 302.025, made in a limited special edition of 500 pieces, 3-piece construction case including leather strap with original platinum-buckle, on both sides sapphire glazed, case back 6-times screwed, two-piece construction enamel dial with Roman hours, blued steel Alpha hands, display of hours, minutes & constant second with Zero- reset, fine, rhodium plated Sax-O-Mat movement, 36 jewels, calibre L921.7 with 4 ball-bearings, decentralized 21k gold-rotor with platinum oscillating mass, Glashutter- fausses cotes decoration, blued screws swan′s neck regulateur, hand engraved balance cock, diameter approx. 37 mm, original box & papers, sold in February 2001, additional certificateof origin made by A. Lange & S?hne from August 2019 enclosed, condition 2, property of a collector