Ship clock Chistopol Watch Factory, Made in USSR in January 1991 The clock for radio room is a example of the Soviet era. The clock is mechanical, keyed and have a weekly power reserve. Precision run well. Сlock diameter 21 cm. Clock in original packaging, + two winding keys, document, plastic form for wall mounting. The clock is in perfect order; a casting mark is visible on the back of the case. Telegraph minutes of silence were highlighted in red. And the phone – pink. The frequency of 500 kHz was listened to by the watch in the radio room, outside the watch by an automatic machine. Telephone mode – the frequency of 2182 kHz – was auditioned in the machine chassis watch on the bridge. 4 minutes on the clock were noted in order to manually give an alarm signal – 10 long dashes – to which the automatic receiver was triggered. 4 sec Signal duration after 1 sec - 10 times. Sending a parcel with track number.