Casio G-SHOCK G-7900-1 TIDEGRAPH
From G-SHOCK, the watch that brought unmatched toughness to personal timekeeping, comes a collection of models that deliver a level of protection. These watches are designed and engineered to become partners of people who like their activities rough and rugged. Major features include four large bezel screws and protruding surfaces that divide the form of the watch into six sections for a fashionable design. Buttons are among some of the largest available in the G-SHOCK lineup for easy operation. Low-temperature resistance allows operation even under very cold conditions, while moon and tide graphs provide essential information for marine leisure enthusiasts. A large LCD is divided into sections for that make information easy to locate and read whenever you need it.
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Specifications
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Case size (L× W× H)
52.4 × 50 × 17.7 mm -
Weight
68.2 g -
Case and bezel material
Case / bezel material: Resin -
Band
Resin Band -
Construction
Shock Resistant -
Water resistance
200-meter water resistance -
Environmental resistance
Low temperature resistant (-20℃) -
Power supply and battery life
Approx. battery life: 2 years on CR2025
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Glass
Mineral Glass
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World time
World time 29 time zones (48 cities), daylight saving on/off -
Moon data
Moon data (moon age of the input data, moon phase graph) -
Tide graph
Tide graph (tide level for specific date and time) -
Stopwatch
1/100-second stopwatch (ST1) Measuring capacity: 999:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Other: 5-second countdown auto start1/100-second stopwatch (ST2) Measuring capacity: 999:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times -
Timer
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 -
Alarm/hourly time signal
Hourly time signal5 multi-function alarms (with 1 snooze alarm) -
Flash alert feature
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 -
Light
Electro-luminescent backlight Auto light switch, selectable illumination duration (3 seconds or 5 seconds), afterglow -
Light color
EL:Blue Green -
Calendar
Full auto-calendar (to year 2099) -
Mute feature
Button operation tone on/off -
Accuracy
Accuracy: ±15 seconds per month -
Other features
12/24-hour formatRegular timekeeping: Hour, minute, second, pm, month, date, day