It uses a main spring like mechanical watch to store the watch energy, it does not have a convential escapement to regulate the unwinding of a spring, but a device that Seiko calls a'Tri Synchro regulator'.
It uses a main spring like mechanical watch to store the watch energy, it does not have a convential escapement to regulate the unwinding of a spring'. It uses a main spring like mechanical watch. This is to store the watch energy, it a device that Seiko calls a' Tri Synchro regulator'.