Shock Resistant
200M Water Resistant
Alpha Gel (R)
Auto LED (Super Illuminator) Backlight with Afterglow
Flash Alert - Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer progress beeper and stopwatch auto-start
World Time 29 times zones (48 cities), city code display, daylight saving on/off
3 Multi-function alarms (2 one-time alarms and 1 snooze Alarm)
Hourly time signal
Countdown Timer
* Others: Auto-repeat, Progress beeper
Full auto-calendar (pre-programmed until the year 2099 12/24 hour formats
* Button operation tone on/off
* Accuracy: +/-15 seconds per month
Battery: CR2032 Approx. battery life: 10 years
Module: 3420