Casio 2168, 2505 Specifications, Charging Time, 668, Time, Charge, Module, Module, Modules, Modules, Modules, Conditions, Alarm Mode:, Charging Time, Minimum Daily

Operation Guide 668 2168 2505

Charging Time

	Charging Time		Minimum Daily	Maximum Charging
	(until charge indicator
			Charge	Time
Conditions	disappears)
	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.)
At a sunny window	50 min	3 hrs	12 min	2 hrs	6 hrs
(20,000 lux.)
Fluorescent light	4 hrs	12 hrs	50 min	—	—
(5,000 lux.)
General office	—	—	6 hrs	—	—
illumination (700 lux.)

•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.)

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