gs-1200

  • Casio GS-1200 to use LEDs to tweak analog hand position


    A new Casio movement for the GS-1200 Tough line – a radio controlled watch model built for shock resistance – has internal LEDs that calibrate the analog hands of the watch. The movement has a structure where the gears for second, minute and hour are sandwiched between the LED and the phototransistor. With this setup, it is possible to detect the positions of three gears by… Read More