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Consumer flagship · Watch · by Apple
Apple Watch SE (2nd gen)
The budget Apple Watch — FDA-cleared AFib notifications, but no ECG, SpO2, or sleep-apnea sensor.
September 2022Apple Watch SE (2nd gen)
Late in cycle3 yr 9 mo old
API access: Yes — restricted Raw data access: Yes — open Open source: No public repo
Clinical value
52/100
AFib notifications, but no ECG/SpO2
Empowerment
62/100
Free core, iPhone lock-in
Everyday value
74/100
Polished budget smartwatch
The affordable Apple Watch with FDA-cleared irregular-rhythm (AFib) notifications and a polished everyday experience — but it lacks the ECG app, the blood-oxygen sensor, and sleep-apnea detection found on the Series and Ultra.
What it measures
Optical heart rate, GPS, activity, sleep tracking, fall and crash detection, and irregular-rhythm notifications. No ECG, no SpO2 sensor, no wrist temperature.
Regulatory status
Carries the FDA-cleared (De Novo) Irregular Rhythm Notification Feature (PPG-based AFib screening). It has no ECG app, no blood-oxygen feature, and no FDA sleep-apnea feature.
Validation & accuracy
The PPG irregular-rhythm feature is backed by the Apple Heart Study and subsequent literature; wrist optical HR is accurate for everyday use.
Data control & export
Raw data: open — Apple Health exports an XML archive; HealthKit integration exists. API: restricted — HealthKit is iOS-only and on-device. iPhone required.
Wearability & battery
A light, polished smartwatch with the full watchOS app ecosystem; ~18-hour battery (daily charge). The most affordable Apple Watch.
Cost & access
One-time from ~$249. No subscription for health features.
Who it serves
Budget-minded iPhone owners who want core Apple Watch health and safety features.
Who is left out or burdened
No ECG, SpO2, or sleep-apnea sensor; iPhone required; daily charging.
✓ Strengths
- FDA-cleared irregular-rhythm (AFib) notifications
- Full watchOS app ecosystem and safety features
- No health paywall
- Affordable Apple Watch
✕ Weaknesses
- No ECG app and no blood-oxygen sensor
- No FDA sleep-apnea feature
- iPhone required; XML-only export
- Daily charging
52
Why this clinical score. FDA-cleared AFib notifications give it real clinical credit, but the absence of an ECG, SpO2, and sleep-apnea features keeps it well below the Series/Ultra.
62
Why this empowerment score. No health paywall, but iPhone-only lock-in and clunky XML-only export hold empowerment to the middle.
74
Why this everyday score. A polished, capable everyday smartwatch at a budget price; daily charging is the main drag.
Latest news
Reviews & coverage
Widely called the best-value smartwatch for newcomers and kids, with the same core fitness, fall-detection and notification experience as pricier models. Reviewers note the missing ECG, blood-oxygen and always-on display as the main reasons to step up.
Summary is a draft synthesis of public coverage, not an endorsement. Links open a search of each outlet.
Reddit communities
Independent user communities where this device (or its category) is discussed.
Get it · manuals & support
Draft profile · public-source review, June 2026 · scores describe direction and degree, not buying advice. News, links, and prices change — verify with the manufacturer. Image is representative.