Unverified reference candidate
Casio
G-7900A-4
- Case dimensions (L×W×H)
- 52.4 × 50 × 17.7 mm
- Weight
- 68.2 g
- Case and bezel material
- Resin
- Band
- Resin Band
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Model-level source evidence
These manufacturer details describe the model family. The manufacturer uses a regional SKU; this record has not passed exact-variant editorial review.
Distributor product details
These labeled facts were extracted automatically from the Casio Australia distributor for this exact source and reference. They require independent review and are not a published editorial profile.
- Case dimensions (L×W×H)
- 52.4 × 50 × 17.7 mm
- Weight
- 68.2 g
- Case and bezel material
- Resin
- Band
- Resin Band
- Construction
- Shock Resistant
- Water resistance
- 200-meter water resistance
- Power supply and battery life
- Approx. battery life: 2 years on CR2025
- Crystal
- Mineral Glass
- World time
- World time 29 time zones (48 cities), daylight saving on/off
- 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
- 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)
- Accuracy
- Accuracy: ±15 seconds per month
- Environmental resistance
- Low temperature resistant (-20℃)
- Glass
- Mineral Glass
- 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 start,1/100-second stopwatch (ST2) Measuring capacity: 999:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times
- Alarm/hourly time signal
- Hourly time signal,5 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
- Mute feature
- Button operation tone on/off
- Other features
- 12/24-hour format,Regular timekeeping: Hour, minute, second, pm, month, date, day
Observed 2026-10-03 · Regional scope: Australia · Unverified extraction.
Original manufacturer wording is retained for source data without a reviewed translation.
Recorded discovery details.
Official discovery source
The exact token was retained from a stored official manufacturer URL or feed. The source supports discovery, but does not by itself verify every model detail.
Open official manufacturer page ↗Source record: sitemap-casio · Publication eligible: no.
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As an Amazon Associate I earn from qualifying purchases.
Affiliate link: WatchesAtlas may earn a commission from qualifying purchases, at no extra cost to you.
As an Amazon Associate I earn from qualifying purchases.
Affiliate link: WatchesAtlas may earn a commission from qualifying purchases, at no extra cost to you.
As an Amazon Associate I earn from qualifying purchases.
Affiliate link: WatchesAtlas may earn a commission from qualifying purchases, at no extra cost to you.
As an Amazon Associate I earn from qualifying purchases.
Affiliate link: WatchesAtlas may earn a commission from qualifying purchases, at no extra cost to you.
As an Amazon Associate I earn from qualifying purchases.
These are discovery candidates, not verified alternatives or product variants.