Since its inception, Yema brand has designed watches specifically for diving, motor racing, space exploration and sailing.

On 17 June 1985, the Discovery shuttle took off with Patrick Baudry and his Yema Spationaute II on mission STS-51G (First Franco-American Orbital Flight).

[citation needed] In May 1986, Yema joined forces with French physician and explorer Jean-Louis Etienne to cross the North Pole.

Equipped with a bidirectional oscillating mass mounted on ball bearings, they allowed a fast reassembly and a power reserve of 40 hours.

Stacking a total of 31 rubies including 2 located at the ends of the axis of the barrel, this technical design effectively reduced the friction generally observed at this element following the mechanical movements.