Before the Rotor Went All the Way Around

Before the familiar full rotor became the standard, watchmakers found another ingenious way to turn the movement of a wrist into energy. The bumper automatic belongs to a fascinating period...

Before the Rotor Went All the Way Around

Before the familiar full rotor became the standard, watchmakers found another ingenious way to turn the movement of a wrist into energy. The bumper automatic belongs to a fascinating period...