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bits Watch
The whole picture, on your wrist.
$449
Our most complete sensor set in an aluminium case with a bright always-on display. On-demand ECG, rhythm checks, GPS and five days of battery.
- Free shipping, dispatched in 2 working days
- 60 days to try it, free returns
- 2-year warranty
- Full app included, no subscription needed
A 30-second ECG
Hold the crown and record your heart's rhythm anytime. Share the PDF with your doctor in one tap.
Five days, really
An always-on display and five days of battery, so sleep tracking does not mean charging every morning.
Fall alerts
If you take a hard fall and do not respond, the watch calls for help and shares your location.
What it measures
12 metrics. Tap one to see how we measure it.
Heart rateHow fast your heart is beating, measured continuously or on demand.
Heart rate variabilityThe small beat-to-beat changes in timing that reflect how rested your nervous system is.
Blood oxygenHow much of your blood's haemoglobin is carrying oxygen.
ECGA 30-second recording of your heart's electrical rhythm, taken on demand.
Irregular rhythm alertsPassive checks for signs of atrial fibrillation while you go about your day.
Sleep stagesHow long you slept and how the night split into light, deep and REM sleep.
Skin temperatureOvernight changes in skin temperature, used to spot illness and cycle phases.
Respiratory rateHow many breaths you take each minute while asleep.
VO2 max estimateAn estimate of your aerobic capacity, the best single predictor of long-term health that a wearable offers.
Stress and recoveryA composite score built from heart rate, variability, sleep and sometimes skin conductance.
Cycle trackingPeriod and ovulation predictions improved by overnight temperature and heart rate.
Fall detectionDetects a hard fall and calls for help if you do not respond.
Tech specs
- Battery
- 5 days, 30 hours with GPS
- Charging
- 0 to 80% in 35 minutes
- Water resistance
- 50 m
- Weight
- 36 g without strap
- Materials
- Aluminium case, sapphire crystal, fluoroelastomer strap
- Sizes
- 42 mm and 46 mm
- Sensors
- Eight-channel optical sensor
Electrical heart sensor in crown and back
Skin temperature sensor
Barometer, gyroscope, accelerometer - Connectivity
- Bluetooth LE 5.3, Wi-Fi, dual-band GPS. Works with iPhone and Android.
- In the box
- bits Watch
Sport strap, two lengths
Magnetic charger
USB-C cable