Shock resistant

Electro-luminescent backlight

Selectable illumination duration (1.5 seconds or 3 seconds), afterglow

Flash alert

Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer

progress beeper, and stopwatch auto start

World time

29 time zones (48 cities), daylight saving on/off

1/100-second stopwatch

Measuring capacity: 23:59'59.99''

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

Other: 5-second countdown auto start

Countdown timer

Measuring unit: 1 second

Countdown range: 24 hours

Countdown start time setting range: 1 minute to 24 hours (1-minute increments

and 1-hour increments)

Other: Auto-repeat, progress beeper

3 multi-function alarms (with 1 snooze alarm)

Hourly time signal

Full auto-calendar (to year 2099)

12/24-hour format

Button operation tone on/off

Regular timekeeping: Hour, minute, second, pm, month, date, day

Accuracy: ±15 seconds per month

Approx. battery life: 5 years on CR2016

Module: 3436

Size of case / total weight

GMD-S6900SR.......48.8 x 46.0 x 12.7 mm / 49 g