Apple has made big strides with its smartwatches this year, but not for the Series 8.
With the new Apple Watch Ultra – which has a bigger and brighter display, 100m water resistance, a siren and longer battery life – the 8 now sits in the middle, a level above the second-generation SE.
Even though the latest iteration looks and feels identical to the 7, there are some great updates worth noting and upgrading to, especially if you’re coming from 6 and up.
What Apple Kept
The Apple Watch Series 8 retains its predecessor’s design, including a curved chassis, thin display bezels, a large Always-On Retina display, and a crack-resistant front crystal. Battery life is 18 hours with regular use. It is also water resistant to IPX6 standard. On the side of the watch, the familiar digital crown and side button work as a navigation tool with the touchscreen.
New temperature sensors
The biggest upgrade to the new 8 Series (since 2020’s blood oxygen saturation measurements) is a pair of built-in temperature sensors: one under the screen and another on the back, closer to the skin. But these are not thermometers, beware. The 8 does not measure true body temperature; just the temperature at the wrist, which is lower than the previous one. However, when worn to sleep for five consecutive nights, the watch can establish your baseline temperature and track changes, helping to improve period predictions and provide retrospective estimates of ovulation. Sensors sample wrist temperature during sleep every five seconds and measure changes as small as 0.1 deg C. In the Health app, users can see nighttime changes in core temperature, which may be caused by exercise, jet lag or even illness.
Collision detection
Like the iPhone 14, the Apple Watch Series 8 can detect a crash and call emergency services if the user does not respond for 10 seconds. This vital feature uses an advanced sensor fusion algorithm and a new, more powerful accelerometer and gyroscope to provide accurate alerts in the event of a car crash.
Highlights of WatchOS 9
Apple Watch Series 8 is powered by watchOS9, which sees some nifty improvements that we like.
To maximize the time the watch stays on your wrist, Apple is introducing the new Low Power Mode in the 8, which can extend battery life up to 36 hours with the iPhone present. This new mode temporarily disables or limits certain sensors and features, such as the Always-On Retina display, automatic workout start, heart health notifications, and more, so it stays on longer.
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The revised Compass app now offers more detailed information and three distinct views. The new hybrid view simultaneously displays an analog compass dial and a digital interface. Turning the digital crown reveals latitude, longitude, elevation and incline, as well as an orientation view showing compass waypoints and backtracking. Backtrack uses GPS data to create a path showing where the user has been, which is useful if they need to retrace their steps. It can automatically turn on in the background when off-grid. Compass Waypoints is a quick and convenient way to mark a location or point of interest directly within the app.
Never forget your medications, supplements and vitamins again. The new Medications experience allows users to create a medication list, set schedules and reminders, and view information about their medications in the Health app.
Apple Watch Series 8 is available in aluminum and stainless steel cases in two sizes, 41mm and 45mm, and is compatible with all bands. Aluminum case colors for Apple Watch Series 8 include starlight, midnight, silver, and (PRODUCT)RED, while the stainless steel case offers silver, graphite, and gold.
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