FIELD: physics, hours.
SUBSTANCE: invention concerns field of hour technics. This technical effect is provided because a clock mechanism, according to the invention, contains at least two regulating devices with their mechanism of descent and an agent intended for the serial termination and renewal of operation of regulating devices, and the energy source of the clock carries out during one time gearing of only one regulating device.
EFFECT: possibility to use one or other mechanism of descent which is present in the same hours for definition of time during two continuances for twelve hours.
16 cl, 6 dwg
