Quartz Watches

    

SEIKO Cal.3863A

   

   

   

   

  

RICOH cal.571010 1973

   

   

   

   

OMEGA Megaquartz 32 KHz 1973

   

   

   

  

Pulsar Time-Computer Calculator movement 1975

  

  

  

  

SEIKO/SUWA GRAND QUARTZ / TWIN-QUARTZ cal.9943A 1978

  

  

  

  

SEIKO/KAMEIDO GRAND QUARTZ / TWIN-QUARTZ cal.9256A 1978

     

  

    

  

  

SEIKO cal.7A28 1983

  

 1990〜 1

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