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Home » SERIES-20

SERIES-20

Series-20

Series-20

Perpetual Calendar :  Automatic re-setting, even for leap years.
Invention patented
Cases: Injection molded ABS case  with supreme acrylic glass cover
Number plate: material and paints from Japan, ever-lasting white
Maintenance free

Specification: 

  • Dimension: 422 x 508 x 118 mm
  • Weight: 3.1 kg
  • Height of number plates: 58mm
  • Height of digits: 40mm
  • Readability: Over 23 meters
  • Made in Hong Kong


  • BQ-20
  • MQ-20
  • R-20
  • S-20
Battery Operated Quartz Movement Clock
Power Supply: 2×1.5V. alkaline batteries, size “D”
Duration: 2 years
Accuracy: 0.6sec/month between 20 and 25′C
Operating Temperature: -10 to +50′C
Mains Operated Quartz Movement Clock
Power supply: 120 to 240 VAC, ~50/60Hz
Accuracy: 0.6sec/month between 20 and 25′C
Operating Temperature: -10 to +50′C
Mains Operated Quartz Movement with Power Reserve Clock
Power supply: 120 to 240 V.AC. ~50/60Hz
Power reserve: 10 days
Accuracy: 0.6sec/month between 20 and 25′C
Operating Temperature: -5 to +50′C
Mains Impulse Slave Movemement Clock
Parallel connection On 2 wires
Polarized minute impulses: 24V
Minimum voltage: 18V
Consumption: 23mA
Minimum Duration: 0.7 sec
Operating Temperature: -20 to +70′C

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