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Operation Guide 668 2168 2505
Charging Time
••
••
• Note the following to ensure that your watch remains charged and running.
* Wear the watch outside your sleeve.
* Place the watch in a well-lit location when you are not wearing it.
Specifications
Accuracy at normal temperature: ±30 seconds a month
Timekeeping Mode: Hour, minutes, seconds, p.m. (PM), day of the week, day
Time system: Switchable between 12-hour and 24-hour formats
Calendar system: Auto-calendar set at 28 days for February
Alarm Mode: Daily alarm, hourly time signal
Stopwatch Mode:Measuring unit: 1/100 of a second
Measuring capacity: 59 minutes, 59.99 seconds
Measuring modes: Elapsed time, split time and two finishes
Charge Storage: Coin type capacitor
Days to Discharge: Modules 668 and 2168: 4 days
Module 2505: 14 days
(Above values are from full charge to stopping of watch
operation, based on 20 seconds of alarm and 24 Hourly
Time Signals per day.)
Conditions
Charging Time
(until charge indicator
disappears)
Minimum Daily
Charge
Maximum Charging
Time
Modules Module Modules Modules Module
668, 2168 2505 668, 2168, 2505 668, 2168 2505
Direct sunlight
(100,000 lux.)
15 min 45 min 4 min 40 min 2 hrs
At a sunny window
(20,000 lux.)
50 min 3 hrs 12 min 2 hrs 6 hrs
Fluorescent light
(5,000 lux.)
4 hrs 12 hrs 50 min ——
General office
illumination (700 lux.)
—— 6 hrs ——