alarm clock which strikes the hours

hour strike unlocking lever

If your clock is so equipped, you set the ringer hour and half hour.

If your clock is so equipped, you must adjust the chime for hours and half-hours.

Minute repeater: Hour, quarter-hour, and minute strikes on two “cathedral” gongs

If your clock rings half-hours instead of hours, quickly advance the minute hand to the next hour during the ringing of the hours.

If your clock rings half instead of hours, quickly advance the minute hand to the next hour during the ringing of the hours.

Fig. 12 : Electro-magnetic movement for striking the hours and the half hours in an ATO 1/2 second clock.

When there are no quarters to be struck, a lengthy, silent timelapse occurs between sounding the hours and the minutes.

When there are no quarters to be struck, a lengthy silent timelapse occurs between sounding of the hours and the minutes.

When there are no quarters to be struck, it is mechanically programmed to be silent between the sounding of the hours and minutes.

The extraordinary play of performing figures, the astronomical clock and the hour striker were added later in 1527–30 by the artist Kaspar Brunner.

Equipped with a rare automatic movement –one of the most sophisticated in mechanical watchmaking– the Hourstriker Classic Samurai rings on the hour on request but can also be programmed to ring on the hour and half-hour.

Equipped with a rare automatic movement – one of the most sophisticated in mechanical watchmaking – the Hourstriker Classic Samurai rings on the hour on request but can also be programmed to ring on the hour and half-hour.

Equipped with a rare automatic movement –one of the most sophisticated in mechanical watchmaking–, the Hourstriker CLASSIC SAMOURAÏ rings on the hour on request but can also be programmed to ring on the hour and half-hour.

At one fifty nine, the hour sound is struck once, the ten-minute sound is struck five times and the one-minute sound is struck