The Museum watch, that Ludwig Oechslin, Paul Gerber & Christian Gafner created for the International Museum of Horology in La Chaux-de-Fonds, Switzerland, whilst Ludwig was the curator from 2002. It features a previously unknown annual calendar complication designed by Ludwig, comprising of only 9 parts! Paul Gerber designed the chrono and put into serial production Ludwig's design of the parts. Gafner, an industrial designer, created the exterior look of the watch. It is automatic & comes on a rubber strap with Ti tang buckle.