Hour Wheel 340.020 is a brass hour wheel with a height of 21.30 mm and 48 teeth, for movement 340.020. Hour Wheel 340.020 is not interchangeable with the old plastic execution.
Hour Wheel 340.020 is a brass hour wheel with a height of 21.30 mm and 48 teeth, for movement 340.020. Hour Wheel 340.020 is not interchangeable with the old plastic execution.