GUB/A. LANGE & SÖHNE rare deck watch with central second in silver 900/000, Germany around 1950, smooth case, snap on case back & bezel, black dial with luminous indexes & hands, marked GUB Q1, gold plated movement calibre 48/1 signed 'A.Lange & Soehne', compensation-balance with Breguet-hairspring, precision adjustment, only 968 watches of this type have been build between 1945 and 1967, diameter approx. 58 mm, condition case 2, condition movement 3