Seiko 7B24 - Technical Specifications; Watch Specifications

162
Specications
1.Frequencyofcrystaloscillator･･････ 32,768Hz(Hz=Hertz...Cyclespersecond)
2.Loss/gain(monthlyrate)････････････ Loss / gain ±15 secondson amonthly rate (Except thecase
whenthewatchisusedwithoutanautomatictimesettingby
receivingaradiosignalandwhenitiswornonthewristwithin
anormaltemperaturerangebetween5℃and35℃ ).
3.Operationaltemperaturerange･････ Between−10℃～+60℃
4.Drivingsystems･･････････ Stepmotor(Hourandminutehands,secondhand,andthedate)
5.Powersource･･･････････････････････ Secondarybattery,1piece
6.Durationofoperation････ Approximately six months (Fully charged, and the Power Save is not
activated).
  ※If the Power Save is activated after it is fully charged, the watch
continuestorunforapproximatelyoneyearandahalfatmaximum.
7.TimesettingbyreceivingtheJJY-LFradiosignal･･････ Automaticreception(at2:00AM3:00AM
and4:00AM)
  ※Reception attempts depend on the radio
signalreceivingconditions.
  ※After having received a radio signal, the
watchwillstarttomove dependingonthe
quartzmovementuntilthenextreception.
  ※Manualreceptionisalsopossible
8.IC(IntegratedCircuit)････ Oscillator,frequencydivideranddrivingcircuitC-MOS-IC,3pieces
※Thespecicationsaresubjecttochangewithoutpriornoticeforproductimprovement.
Specications