Timepiece with a device for elastic holding a movement.
CH714476A2
Interchangeable rotating bezel watch case.
CH706580A2
Control and display method for electronic tachometer that is used in dial or bezel of wrist watch to determine rate of movement of moving objects, involves calculating and displaying value corresponding to maximum velocity for measurements
EP2669686A1
Analogue display method for tachometer
EP2669685A1
Adaptive display device for tachometer
CH706579A2
Display device for tachometer in watch, has display module including analog display elements, and multiple juxtaposed display segments, where display segments are equipped with distinct linear reading scales
