Alarm clock - Harbin - Mid-century modern Metal - 1960-1970

Harbin metal mechanical wind-up bedside alarm clock, estimated period 1960–1970, Mid‑Century Modern style, with manual calendar (cards missing), multiple‑day power reserve, no striking, 12 cm high, 17 cm wide, 10 cm deep, 1 kg, winding key included; used condition with probable small parts missing, in working order.