Shock Resistant

200M Water Resistant

Auto EL Backlight with Afterglow

Tide Graph (tide level for specific date and time)

Moon Data (moon age of the input data, moon phase graph)

World Time

29 times zones (48 cities), city code display, daylight saving on/off

3 Multi-function Alarms (1 with snooze)

Countdown Timer

Measuring unit: 1 second

Countdown range: 1 minute to 24 hours

Other: Auto Repeat, timeup alarm, progress beeper

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

Hourly Time Signal

Flash Alert (stopwatch auto-start, countdown alarm, progress beeper, alarms, hourly time signal)

Button Tone Operation On/Off

Auto Calendar (pre-programmed until the year 2099)

12/24 Hour Formats

Accuracy: +/- 15 seconds per month

Battery: CR2025

Approx. battery life: 7 years

Module 3151