• G-9100-1ER Casio watch


G-9100-1ER Casio watch



Case / bezel material: Resin

Shock Resistant

Mineral Glass

Rust Resistant

200-meter water resistance

Electro-luminescent backlight: Auto light switch, dual illuminator, 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

World time: 29 time zones (48 cities), city code display, daylight saving on/off

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

Tide graph (tide level for specific date and time) 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)

Auto-repeat, progress beeper on/off

Multi-function alarms: 3 independent multi-function alarms (2 one-time alarms and 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: 7 years on CR2025

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