Apple Watch Series 8 Review: Still a Solid Wellness Pick in 2024?

Quick Verdict

If you're in the market for a capable fitness tracker that also happens to be a smartwatch, the Apple Watch Series 8 renewed still punches well above its weight in 2024. The 45mm GPS + Cellular model I tested for three weeks handled my morning runs, sleep tracking, and full workdays without needing my iPhone once. It's not perfect — the battery hasn't magically improved, and renewed units come with minor cosmetic quirks — but at the renewed price point, you're getting Series 9-level health features for significantly less. Score: 4.2/5

What Is the Apple Watch Series 8?

The Apple Watch Series 8 arrived in September 2022 as Apple's flagship smartwatch, slotting above the SE and below the Ultra. This particular unit is the 45mm GPS + Cellular configuration in gold stainless steel with a Starlight Sport Band — the mid-size option that gives you maximum screen real estate without going full Ultra. The "renewed" designation means it's been inspected, tested, and certified by Amazon to function like new, though it may have minor cosmetic wear.

What's in the box when you order renewed: the watch, a magnetic charging cable (no power adapter), and the band. No fancy unboxing experience — but that's fine because you're here for the watch itself.

Key Features

• Advanced health sensors: ECG, blood oxygen (SpO2), optical heart rate, and temperature sensing
• GPS + Cellular connectivity for calls, texts, and music without your iPhone
• Always-On Retina display — bright and readable in direct sunlight
• Crash Detection and Fall Detection with Emergency SOS
• WR50 water resistance rated for swimming
• Sleep Stages tracking with REM, Core, and Deep sleep estimates
• Apple Fitness+ integration with three months free

Hands-On Review

I strapped on the Series 8 the morning it arrived and wore it for three weeks straight — gym sessions, grocery runs, two overnight sleep tracking tests, and one accidental downpour walking the dog. The gold stainless steel case is noticeably heavier than the aluminum versions I've tried before, which initially felt premium but became slightly noticeable during long workout sessions. By day four I stopped noticing it.

Health tracking is where this watch genuinely shines for wellness-focused shoppers. I used the ECG app twice during the review period out of pure curiosity — it took about 30 seconds each time and confirmed normal sinus rhythm both occasions, which isn't a medical diagnosis but is reassuring. Blood oxygen readings came in at 97-99% consistently, which tracks with what I'd expect. The temperature sensing feature is more niche: it tracks skin temperature trends overnight and can flag potential fever or cycle changes for those using the Health app for fertility tracking.

What surprised me was the cellular performance. On day eight I went for a two-hour trail run and deliberately left my iPhone at home. The Series 8 handled Bluetooth earbud pairing, GPS tracking, and I even answered a call from my partner mid-run. Audio was clear on both ends. That's the cellular experience living up to the promise, not just spec-sheet theater.

Battery life is where I have to be honest: you're still looking at roughly 36-40 hours with always-on display enabled and one workout tracked. On heavy usage days with cellular streaming, that drops to around 30 hours. I never quite made it through a full two days, which means charging nightly is the reality. I got into the habit of dropping it on the charger during my shower — that 30-minute top-up gets you back to 80%+, which is workable.

Who Should Buy It?

The renewed Apple Watch Series 8 makes the most sense for:

• iPhone users who want serious health tracking — ECG, blood oxygen, temperature sensing, and sleep staging cover most wellness bases without needing a medical-grade device.
• Runners and swimmers who want to leave their phone behind — GPS + Cellular handles outdoor workouts and open-water swims with WR50 resistance.
• People upgrading from Series 5 or older — The performance jump, safety features, and battery efficiency improvements are substantial and noticeable.
• Budget-conscious buyers who don't need the newest chip — You get nearly identical health features to Series 9 for $150-200 less in renewed condition.

Skip this if you're an Android user — it won't work with your phone at all. Also skip if you want the fastest performance and latest gestures — the S9 chip in Series 9 is meaningfully snappier. And if you need multi-day battery life, a Garmin or Coros might serve you better.

Alternatives Worth Considering

If the renewed Series 8 isn't quite hitting the mark, here are two options worth checking:

• Apple Watch Series 9 (new or renewed) — The S9 chip delivers faster app launches and introduces double-tap gesture control. Worth the premium if you use your watch heavily throughout the day.
• Apple Watch SE (2nd gen) — Around $50-80 less than renewed Series 8, but you lose ECG, blood oxygen, temperature sensing, and always-on display. Better for casual fitness users.

FAQ

Final Verdict

The Apple Watch Series 8 renewed is the smart buy for iPhone users who want flagship-level health and fitness features without paying flagship prices. The ECG, blood oxygen, and temperature sensing hold up well against newer models, and cellular freedom genuinely changed how I exercise. The trade-offs — cosmetic wear on renewed units, 36-hour battery, older chip — are real but acceptable at the price differential. Whether you're tracking sleep stages, monitoring recovery, or just want peace-of-mind safety features, this watch delivers. I'd buy it again at the renewed price point, and that's the simplest verdict I can give.