Construction: Shock resistant

Light: Electro-luminescent backlight, Auto light switch, 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), city code display, daylight saving on/off

Stopwatch: 1/100-second 

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)

Others: Auto-repeat, progress beeper on/off

Alarm: 3 multi-function alarms (with 1 snooze alarm), Hourly time signal

Calendar: Full auto-calendar (to year 2099)

Hour Format: 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: 10 years on CR2025

Module: 3433