What this product is
Apple Watch SE 3 is a device sold by Apple.
From the maker's page. See the maker's page ↗ We don't repeat the maker's health claims.
What it measures
The maker says it tracks heart rate, sleep, workouts and daily activity, and uses a wrist temperature sensor. apple.com ↗
How well it works in independent tests
A reviewer found its average and maximum heart rate readings within 1.24% of other devices, with occasional dropouts. expertreviews.co.uk ↗
Subscription
The pages do not mention a paid membership being needed for the watch itself; Apple's page lists no subscription for its features. apple.com ↗
Battery life
Consumer Reports measured 78 hours of typical use for the GPS 44mm model, and 86 minutes to charge fully. consumerreports.org ↗
Each line rests on a passage quoted word for word from the linked page (hover the link to see it). Accuracy comes only from pages independent of the maker.
About this kind of device
Fitness trackers: watches, bands and rings
Smartwatches and fitness trackers are wrist-worn monitors that people commonly use to count their steps each day.
Main risk: The pages stress that wrist-worn monitors may not count steps as accurately as hip-worn pedometers.
Research stage 2: small studies in people. What it measures and the research →
This is research on this kind of device in general, not proof that this model is accurate or right for you.
Outside reviews
No independent reviews of this product found yet.
This is general information gathered from the sources listed, not medical advice. Talk to your doctor before starting anything new.