Unverified reference candidate
Casio
GBA-900-4A
- Case dimensions (L×W×H)
- 51.3 × 48.9 × 16.6 mm
- Weight
- 61 g
- Case and bezel material
- Resin
- Band
- Resin Band
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Search results and retailer pages may include other models. Check the exact reference, seller, condition and delivery terms on the destination website.
Source facts, when present, require editorial review. The image source and display method are identified with the illustration.
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)
- 51.3 × 48.9 × 16.6 mm
- Weight
- 61 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
- Dual time (Home city time swapping)
- Timer
- Countdown timer Timer for interval measurement (up to five time settings) Measuring unit: 1 second Input range: 00'00'' to 60'00'' (1-second increments) Others: Auto-repeat, 5-second countdown auto start, repeat (1 to 20 times)
- Light
- Double LED light LED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
- Light color
- LED:White
- Calendar
- Full auto-calendar (to year 2099)
- Accuracy
- Accuracy: ±15 seconds per month (with no mobile link function)
- Time adjustment
- Bluetooth: Connects to a smartphone and automatically adjusts the time
- Sensor feature
- Calorie and distance calculations based on step count, Including basal metabolic rate Daily data display: Step count, calorie, distance
- Smartphone Link feature
- Mobile link (Automatic connection, wireless linking using Bluetooth®)
- Apps
- CASIO WATCHES
- App connectivity feature
- Auto time adjustment,Easy watch setting,Approximately 300 world time cities,Simple notification (tone alert only),Activity history,Life log data,Distance correction by smartphone GPS,Phone finder
- Glass
- Mineral Glass
- Alarm/hourly time signal
- 5 daily alarms,Hourly time signal
- Mute feature
- Button operation tone on/off
- Energy saving feature
- Power Saving
- Battery display/alert
- Low battery alert
- Other features
- 12/24-hour format,Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.),Airplane mode,Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)) Digital: Hour, minute, second, pm, month, date, day,User profile creation
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.
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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.