The Fontainemelon 67-4 watch movement, also known as the Wehrmachtswerk or Germany Military Movement, is often or always signed AS 1560. There are no known differences between this movement and the AS 1631, AS 1642, and AS 1694. It features a manual wind mechanism, a sub-second function, and a date feature that is set by changing 21-24h. This movement was commonly used around 1965.