casio g-shock gbd-h1000



Iconic digital watch introduces advanced performance analytics. 

Released February, 2020

Firstbeat features (10)


The Casio G-SHOCK GBD-H1000 is engineered to support active, health-conscious lifestyles. The integration of advanced performance analytics from Firstbeat means access to the scientifically personalized insights wearers need to achieve their goals. The GBD-H1000 is the first Casio device to offer Firstbeat powered features and passing along a sense of confidence that they provide.

The GBD-H1000 is packed with five-sensor functions. In addition to an optical sensor that can measure heart rate by detecting the blood flow under the skin, a triple sensor that measures altitude/barometric pressure, compass bearing, and temperature, and an acceleration sensor that measures step count and distance traveled, the new watch comes with GPS functionality that acquires location information. By analyzing the measured data, the watch can display an indicator of cardiorespiratory capacity. By connecting the watch with a dedicated app on a smartphone, the user can manage measurement data history such as calories burned and logged travel.

Firstbeat Powered Features on the G-SHOCK GBD-H1000

Fitness Tracking

Access to your current fitness level, measured in terms of VO2max, and monitoring changes over time is rewarding and offers motivation to improve. It also means you can scientifically evaluate the effectiveness of your workouts, understand what works for you, how hard you need to push yourself, and when overdoing it becomes counterproductive. Ultimately, it’s about knowing you are on the right track, which delivers the confidence you need to achieve your goals.

Big-Picture Training Insights

While VO2max tracks your fitness level and capacity for aerobic energy production, Training Load reveals how hard you are actually working, week in and week out. This insight captures the total strain placed on your body during recorded activities over the past 7-day period. In addition to just offering a number, you can also see if you are active to achieve your fitness and performance goals.

casio g-shock gbd-h100 insights

When your Training Load is optimal it means the combination of your workouts is challenging enough to safely maintain or improve your fitness level over time. This optimal zone is determined using your current VO2max fitness level and trends in your activity history.

Training Status examines and interprets changes in your VO2max fitness level in light of changes in your Training Load and activity history. It tells you when your training is Productive, or Unproductive, and when you are working just hard enough to Maintain your current fitness level. Other detected states include Peaking, which is ideal in the days before a targeted race, Recovery for when you lighten your workload, and Detraining when you have been inactive for long enough to suggest your fitness level is in decline.

My Training Status is Unproductive – What Can I Do to Change It?

Understand What Your Workouts Mean

The G-SHOCK GBD-H1000 adeptly links the workouts you record perform and the gains you can expect. This information comes in the form of Aerobic and Anaerobic Training Effect scores (0.0-5.0). Your Aerobic Training Effect score predicts how your workout will likely influence the development of aerobic performance capacity (VO2max), while your Anaerobic Training Effect score reveals the development of explosive performance abilities. In other words, your endurance vs. your ability to sprint, recover and sprint again.

firstbeat aerobic training effect progress

These scores accumulate in real time over the course of your workout, so you can adjust your efforts to achieve your goals on the fly.

Training Plans

Together your smartphone and GBD-H1000 bring a touch of scientific input to help you plan your training. You decide whether you want to stay fit, improve your fitness, or target a specific running race time and distance. Your Casio G-SHOCK can help take you there.

Cardio plans for maintaining or improving fitness are adaptive and offer smart daily workouts and rest days when you need them. Frequency, intensity, and duration are adjusted for your own needs based on your current fitness level and activity history.

Understanding how to prepare for your next big race can be as simple as entering the date and distance of your race, target finish time, and preferred training days. A custom plan is created that schedules specific workouts according to weekly themes. Once created, plans update weekly based on how things are going. All you have to do to is the work.

Workouts recommend in the app can always be transferred to your watch, making them easy to execute.

Expect to Finish Strong

Race Time Predictions provided by the G-SHOCK GBD-H1000 can be found in the accompanying smartphone app. Estimated finish times for popular running distances (5k, 10k, half-marathon, and marathon) are available. These predictions begin with a combination of your detected VO2max and an understanding of the sustainability of performance intensity over time.

There’s more to running a race than just fitness, so data from your training history and the detection of longer runs are used to adjust and tune your estimates. This results in substantially more personalized predictions for how long it will take you to finish the race than using fitness data alone.

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