Specifications: New Four Point Design Protection Large Buttons & Display Format Tide & Moon Data Shock Resistant 200M Water Resistant Low Temperature Resistant LCD (-20 C / -4 F) Auto EL Backlight with Afterglow Flash Alert (flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time-up alarm, countdown timer progress beeper and stopwatch auto-start) 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 4 Multi-function Alarms and 1 Snooze Alarm Hourly Time Signal 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, time-up alarm, progress beeper 1/100 second stopwatch (ST1) Measuring capacity: 999:59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Other: 5-second Auto-start 1/100 second stopwatch (ST2) Measuring capacity: 999:59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Button Operation Tone on/off Auto Calendar (pre-programmed until the year 2099) 12/24 Hour Formats Accuracy: +/-15 seconds per month Battery: CR2025 Approx. battery life: 2 years Module 3194 Size of case/total weight G7900 52.4

50.0 x 17.7mm / 68.2g Casio G-Shock G-7900-1DR