A. Lange & Söhne Lange 31 130.025F

A. Lange & Söhne, very rare Lange 31 in near mint condition, 2010. Platinum 950. D 46 mm. Reference No.: 130.025F Case No.: 179846 Heavy, screw-down case with sapphire crystal display back and date correction push-button at 10 o'clock Dial: Gray with large date, small seconds, and 31-day power reserve indicator Movement: Highly refined hand-wound movement no. 80001 with screw balance, swan-neck regulator and 62 jewels Band: A. Lange crocodile leather strap with original platinum folding clasp Accessories: Box (damaged), outer card box, warranty certificate, instruction manual, winding key, sales label With the Lange 31, A. Lange & Söhne presented the world's first mechanical wristwatch with a power reserve of 31 days and a fusee and chain mechanism that continuously supplies the going train with a constant driving force. The enormous drive energy is stored in a massive double mainspring barrel. In order to be able to release the energy in a controlled manner, a fusee and chain mechanism, specially designed for the Lange 31, was integrated into the movement. The movement number 80001 indicates that this was the first platinum model of the Lange 31. For the exportation of this item a CITES license is required. Prospective buyers should familiarize themselves with relevant customs regulations prior to bidding if they intend to import this lot into another country. For further information please contact the department.