10 Year Battery

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

1/100 second stopwatch

Measuring capacity: 23:59'59.99"

Measuring modes: Elapsed time, split time, 1st-2nd place times

Other: 5-second auto-start

Countdown Timer

Measuring unit: 1 second

Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)

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

GDX6900 57.5 x 53.9 x 20.4mm / 84g