16. Specifications
• Model: E81*
• Type: Analog solar powered watch
• Accuracy: Within 15 seconds per month (when
worn at normal temperatures of +5˚C
to +35˚C/ 41˚F to 95˚F)
• Operating temperature range:
* Watch operating temperature range:
–10˚C to +60˚C/14˚F to 140˚F
* Power save feature operating temperature range:
–10˚C to +35˚C/14˚F to 95˚F
* Time correction operating temperature:
–5˚C to +60˚C/23˚F to 140˚F
• Display functions
Time: 24 hours, hours, minutes, seconds
Calendar: Date display by a date wheel (with
continuous advance function)
Month display by second hand
Year display by function hand (years
elapsed from most recent leap year)
• Additional functions:
Power save feature
Time setting warning feature
Insufficient charging warning feature
Overcharging prevention feature
Chronograph (60 minute measurement,
1/20th second units)
Local time (time difference correction:
1 hour units)
Alarm (24 hour clock, alarm monitor, alarm
ON/OFF)
• Continuous running times:
Fully charged to stopped: Roughly 9 months
(when power save feature is operating)
2-second interval movement to stopped:
Roughly 5 days (roughly 2 days in the case
the hands have been moved to switch the
time when the insufficient charging warning
feature is activated)
• Battery: Secondary battery
*Specifications are subject to change without notice.
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