That movement is the ETA 7750 or, as it was formerly and still commonly known, the Valjoux 7750. It is a movement that inspires heated debate among watch connoisseurs, equally revered and ridiculed.

Atlantic has upgraded the movement in a fresh range of Worldmaster Prestige Valjoux chronographs. Their heightened value ...

Every swing of your arm energizes the Swiss-made Valjoux 7750 movement by spinning its engine-turned rotor. There's never a need for a battery. Of course, this means that when the watch its off ...