The A. Lange & Soehne 1815 Rattrapante reference 425.050 was introduced in celebration of the 175th anniversary of F.A. Lange's incorporation of his first pocket watch workshop in 1845. This limited edition of 100 pieces features a 'Honey' gold case. and a black dial; inside ticks the hand-wound caliber L101.2 which features a split-seconds chronograph.