In terms of functionality, the accelerometer detects movement and automatically counts steps as walking begins. It displays the total daily step count and goal achievement rate. Measurement data can be transferred to a dedicated app for life log management. The main resin parts, such as the bezel and band, are made of biomass plastic. For casual, active, and ethical lifestyles – supporting those who enjoy every day authentically.
Case size (vertical x horizontal x thickness): 46.4 x 43.8 x 12 mm
Weight: 41 g
Case and bezel material: Resin / Resin (biomass plastic)
Band: Resin band (biomass plastic)
Structure: Shock-resistant structure
Water resistance: 20 bar water resistance
Time correction: Bluetooth: Connects to a smartphone to automatically correct the time.
Power source and battery life: Battery life: Approximately 2 years
Sensor function: Step count function
・Step display range: 0 to 999,999 steps
・Goal achievement rate display (target step count setting range: 1,000 to 50,000 steps, in 1,000-step units)
・Step graph (displays step count per hour for 7 hours in 6 levels)
・Step indicator display
Mobile link / App collaboration function: Mobile link function (function linking via Bluetooth communication with compatible mobile phones)
App: Compatible with "CASIO WATCHES"
App collaboration function: Automatic time correction, easy watch settings
World time: Approximately 300 cities
Life log data
Stopwatch data transfer
App information: Time & Place, mobile phone finder
Exterior: Glass: Mineral glass
Band fitting size: 145 to 190 mm
Watch function: World time, dual time (with time swap function)
Stopwatch: With target time notification function, can set up to 10 target times
Timer: Timer with interval measurement function that can set up to 5 time settings (set unit: 1 second, maximum set: 60 minutes, measurement in 1-second units, auto-repeat, auto-start)
Alarm: 5 multi alarms and hourly time signal
Light: LED backlight (auto-light, super illuminator, afterglow function, afterglow time switching 1.5 seconds / 3 seconds)
Calendar: Fully automatic calendar
Operation sound: Operation sound ON/OFF switching function
Power saving function: Power saving ON/OFF switching function
Battery display / warning: Battery level indicator
Accuracy: ※ When not linked with a smartphone, operates with normal quartz accuracy (average monthly difference ±15 seconds).
Other functions: 12/24-hour display switching
・A series equipped with a step tracker (step count function) to support people who live active daily lives. This is a compact model with a sporty impression that goes well with sportswear. In terms of functionality, the accelerometer detects movement and automatically counts steps as walking begins. It displays the total daily step count and goal achievement rate. Measurement data can be transferred to a dedicated app for life log management. The main resin parts, such as the bezel and band, are made of biomass plastic. For casual, active, and ethical lifestyles – supporting those who enjoy every day authentically.
・※This is an imported model of the domestic model GMD-B300SC-4JF.
【Voltage Compatibility】
When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.
【Plug Type】
Our products use Japanese plug types (A or B type).
Please use a conversion adapter if necessary.
【Important Note on Transformers and Adapters】
A transformer adjusts voltage to match your device's requirements.
A conversion adapter only changes the plug shape and does not adjust voltage.
Using only a conversion adapter without a transformer may result in damage to the product.
【Liability】
We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.