The Fontainemelon 704 watch movement is an open face calibre with a pin-lever escapement and an indirect minute hand friction clutch on the barrel. The specific differences between the Fontainemelon 704 and the Hanhart 27 movements are not known. The movement features functions such as stem winding and setting, a sub second dial, and it was typically used around the 1940s.
The Fontainemelon 704 features the following functions: