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32
Model
J7
＊
/J8
＊
Type
Analog solar-powered watch
Timekeeping
accuracy
Within ±15 seconds per month when worn at normal operation
temperatures (between +5˚C/41˚F and +35˚C/95˚F)
Operating
temperature
range
−10˚C/14˚F to +60˚C/140˚F
Display
functions
• Time: Hour, minute, second
• Calendar: date, day of the week (only for the models with date/
day indication)
Continuous
operation
times
• Fully charged to fully discharged:
Approx. 8 months (Normal use condition)
• From insufficient charge warning display until stop: Approx. 5 days
Battery
Rechargeable cell (lithium button cell), 1pc.
Additional
functions
• Solar power function
• Overcharging prevention function
•
Insufficient charge warning function (2-second interval movement)
Specifications