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VINTAGE DETEX GUARDSMAN WATCHCLOCK SECURITY CLOCK

AS/IS NO KEY BUT SQUARE CHUCK (W) SO MAYBE COMMON SEE INFO BELOW

SOLID STUDDED LEATHER CASE WITH STRAP

152mm x 70mm 2.28kg

NICE USED CONDITION

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A Watch clock is a mechanical clock used by security guards as part of their Guard tour patrol system. The most commonly used form was the mechanical clock systems that required a key for manual punching of a number to a strip of paper inside with the time pre-printed on it. This increase in the electronic systems led the largest U.S. manufacturer of watch clocks, Detex, to discontinue all of their mechanical watch clocks on December 31, 2011 including the Detex Newman which had been manufactured for 130 years.

Watch clocks often had a paper or light cardboard disk or paper tape placed inside for a set period of time usually 24 hours for disk models, and 96 hours for tape models. The user would carry the clock to each checkpoint where a numbered key was mounted (typically chained in place, ensuring that the user was present). That key was then inserted into the clock, turned, and imprint the disk with the key number.

The paper disk or tape had the times preprinted and the key impressed the key number on the corresponding time. After the shift (or Specified time period) an authorized person (usually a supervisor) would unlock the watch clock and retrieve the disk or tape and insert a new one. In the case of Detex brand clocks, each time the cover is opened or closed a mechanical device would puncture the disk or tape at the current time, if a disk had more than 2 perforations it proved that the clock had been opened and possibly tampered with, or records forged. This would also tell the supervisor if a watchman was sleeping on the job due to his failure to punch in at the required station
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http://www.detex.com/Portals/0/HelpSupport/ObsoluteInstruct
ions/ins-g12.pdf

ANTIQUE SECURITY INSTRUMENT LEATHER CASE WATCHMAN
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Shipping options

  • Canterbury (Non-signature)$3.61
  • Canterbury > Rural (Signature)$7.79
  • Rest of South Island (Non-signature)$7.48
  • Rest of South Island > Rural (Signature)$10.47
  • North Island (Non-signature)$7.48
  • North Island > Rural (Signature)$11.51
  • Seller allows pick-ups
  • Seller location: Christchurch City, Canterbury, NZ

Payment options

  • Other options
    Cash, NZ bank deposit