Casio GBD-H2000-1A9ER (Green, 50mm)

How accurate is the GPS tracking on this watch?

The GNSS (GPS) system is extremely precise, capable of tracking which side of a footpath you're walking on. Users report that the GPS accuracy allows them to see on their phone whether they stayed on the left or right side of a path during their run. This level of precision makes it excellent for detailed route tracking and distance measurement across all supported sports.

How long does the battery last with regular use?

Battery life varies significantly based on usage patterns. With typical daily wear including Bluetooth connectivity, sleep analysis over 7 hours and smartphone notifications, the battery lasts 3-4 months. When using GPS tracking, heart rate monitoring and oxygen sensors regularly for training, expect 2-3 weeks between charges. Solar charging during outdoor activities extends these periods considerably.

What sports and activities can this watch track?

The watch supports running, cycling, swimming and triathlon training with dedicated modes for each activity. It uses an accelerometer for step counting, gyroscope for swimming stroke detection and turn recognition, plus sensors for altitude, atmospheric pressure and temperature. The heart rate monitor works across all activities, providing training zone data and workout intensity metrics.

Is the watch comfortable for all-day wear?

Yes, the bio-plastic construction weighs just 80g and ensures no metal contacts your skin directly. The corn-based biomass plastic materials are designed for comfort during extended wear. The 26mm band width and buckle clasp system accommodate most wrist sizes, whilst the lightweight design makes it suitable for sleeping when using sleep analysis features.

What smartphone notifications can I receive on this watch?

The watch displays incoming calls with name and/or number, SMS messages, iMessages and emails through Bluetooth connectivity. You can read the first few lines of messages by pressing the display, though the watch only shows notifications rather than allowing replies or call management. Notifications include both sound and vibration alerts that can be customised to your preferences.

How does the solar charging system work?

The integrated solar panel charges the battery automatically during any outdoor activity or exposure to light. Every training session in daylight contributes to battery life, significantly reducing charging frequency. The solar system works continuously, making it particularly beneficial for people who train outdoors regularly or spend considerable time outside during daily activities.

Can I customise the display and menu system?

Yes, both the display layout and menu organisation can be personalised to match your preferences. You can adjust the order of functions in both sport and normal menus, customise which information appears on the main display and modify notification settings. This flexibility allows you to prioritise the features you use most frequently for quicker access.

Is this watch suitable for swimming and water sports?

The watch is fully water-resistant and designed for swimming and triathlon use. The gyroscope automatically detects swimming strokes and turns, providing detailed pool and open water swimming metrics. The G-SHOCK construction ensures durability in wet conditions, whilst the bio-plastic materials resist degradation from chlorine and salt water exposure during regular swimming training.