Casio 3179 Manual page 45

Countdown Timer
Measuring unit: 1 second
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Other: Auto-repeat timing; Progress beeper
Alarms: 5 multi-function* alarms (four one-time alarms; one snooze alarm);
Hourly Time Signal
* Alarm type: Daily alarm, date alarm, 1-month alarm, monthly alarm
World Time: 48 cities (29 time zones)
Other: Daylight Saving Time/Standard Time
Illumination: EL (electro-luminescent panel); Selectable illumination duration;
Auto Light Switch
Other: Button operation tone on/off, Flash alert, Low temperature resistance
(–20°C/–4°F)
Battery: One lithium battery (Type: CR2025)
Approximately 3 years on type CR2025 (20 seconds of alarm operation per day
(with flash alert), one countdown timer operation (with progress beeper and flash
alert) per week, one stopwatch operation (with auto start and flash alert) per week,
5 seconds of illumination per day)
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