Operation Guide 668 2168 2505
Charging Time
| Charging Time | Minimum Daily | Maximum Charging | |||
| (until charge indicator | |||||
| Charge | Time | ||||
Conditions | disappears) | |||||
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| Modules | Module | Modules | Modules | Module | |
| 668, 2168 | 2505 | 668, 2168, 2505 | 668, 2168 | 2505 | |
Direct sunlight | 15 min | 45 min | 4 min | 40 min | 2 hrs | |
(100,000 lux.) | ||||||
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At a sunny window | 50 min | 3 hrs | 12 min | 2 hrs | 6 hrs | |
(20,000 lux.) | ||||||
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Fluorescent light | 4 hrs | 12 hrs | 50 min | — | — | |
(5,000 lux.) | ||||||
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General office | — | — | 6 hrs | — | — | |
illumination (700 lux.) | ||||||
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•Note the following to ensure that your watch remains charged and running.
*Wear the watch outside your sleeve.
*Place the watch in a
Specifications
Accuracy at normal temperature: ±30 seconds a monthTimekeeping Mode: Hour, minutes, seconds, p.m. (PM), day of the week, day
Time system: Switchable between
Calendar system:
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.)
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