Indisputably the most brilliant idea of the two young inventors – when they started out as watchmakers – was, from the start, to closely collaborate with Sinn, a highly reputable manufacture. Sinn specialised in the production of dashboard meters.
Space One and Hydro were the fruit of this collaboration..
The second key idea was to get the adventure off the ground by giving the brand a strong identity as an efficient chronometer, to meet the needs of the most exacting user. Immediately adopted by NATO and the Air Force, Bell and Ross also found takers within the French security service’s bomb disposal squad. To make the point, they created Hydromax, the most reliable watch in the world, for deep underwater work, with the world abyssal record for water resistance to 11,000 meters. They also managed to restore with great success the taste for pilot watches that had flourished in the 50s and 60s, but which had since been forgotten.