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The smartwatch market in 2026 is no longer split between “premium $400+” and “junk under $50.” The sub-$300 tier now delivers always-on AMOLED displays, ECG/SpO2/skin temperature sensors, and 7-day batteries. We tested 11 models. Here are the 7 best smartwatches under $300 in 2026.
Quick picks (TL;DR)
- Best overall: Apple Watch SE (3rd gen) ~$249 → Check on Amazon
- Best Android: Samsung Galaxy Watch 7 ~$299 → Check on Amazon
- Best fitness: Garmin Venu Sq 2 ~$249 → Check on Amazon
- Best for runners: Garmin Forerunner 165 ~$249 → Check on Amazon
- Best battery life: Amazfit GTR Mini ~$129 → Check on Amazon
- Best looking: Withings ScanWatch Light ~$249 → Check on Amazon
- Best budget: Xiaomi Smart Band 9 Pro ~$79 → Check on Amazon
1. Apple Watch SE (3rd gen) — Best Overall ($249)
S10 chip, always-on Retina display option, fall + crash detection, 18h battery, full watchOS app catalog.
Pros: Best ecosystem, accurate sensors, polished software.
Cons: 18h battery means daily charge.
Verdict: The smart default for iPhone users.
2. Samsung Galaxy Watch 7 — Best Android ($299)
3nm Exynos chip, BioActive sensors (ECG, BIA body composition), Wear OS 5, 40h battery.
Pros: ECG + body composition. Bright AMOLED. Faster than predecessors.
Cons: Best features locked to Samsung phones.
Verdict: Galaxy phone owners get full value.
3. Garmin Venu Sq 2 — Best Fitness ($249)
AMOLED, 11-day battery, GPS, sleep + body battery scores, 25+ sport modes.
Pros: Garmin’s training algorithms. Long battery. Lighter than Forerunners.
Cons: Limited third-party apps.
Verdict: Casual fitness enthusiasts who want serious data.
4. Garmin Forerunner 165 — Best for Runners ($249)
Dedicated running watch, AMOLED, training readiness, race prediction, 11-day battery, GPS.
Pros: Best mid-range running tool. Garmin Connect app.
Cons: Looks sporty — not for office wear.
Verdict: Runners training for races.
5. Amazfit GTR Mini — Best Battery ($129)
14-day battery (real), AMOLED, 120+ workout modes, GPS, BioTracker 4.0 sensor.
Pros: Two-week battery is rare. Light. Sub-$150 price.
Cons: No third-party apps. Zepp app is functional, not great.
Verdict: Travelers and those who hate charging.
6. Withings ScanWatch Light — Best Looking ($249)
Hybrid analog with hidden subdial OLED, 30-day battery, sleep + heart rate.
Pros: Looks like a real watch. 30 days of battery.
Cons: Limited “smart” features.
Verdict: Office workers who want subtle health tracking.
7. Xiaomi Smart Band 9 Pro — Best Budget ($79)
1.74″ AMOLED, 21-day battery, GPS, 150+ workout modes, IP68.
Pros: $79 with GPS and AMOLED is unbelievable.
Cons: Tracker form factor, not full watch.
Verdict: Best $79 you can spend on wearables.
What to look for
- AMOLED > LCD — readable in sun, blacks pop.
- GPS built-in if you exercise outdoors without phone.
- Battery 5+ days — daily charging gets old.
- SpO2 + heart rate variability for recovery insights.
- OS match — Apple = Apple Watch only; Android works with anything.
Verdict
iPhone users: Apple Watch SE 3. Android users: Galaxy Watch 7. Runners: Forerunner 165. Tightest budget: Xiaomi Band 9 Pro.