L903.0

Hand-wound movement released for the 15th anniversary of A. Lange & Söhne, combining a tourbillon, chain-and-fusée transmission, and a flyback rattrapante chronograph. Comprising over 1,000 components, it features a balance spring with a terminal curve calculated by Prof. Strasser of Glashütte and was originally envisioned by the late Günter Blumlein.