In 2026, with Apple already on the Apple Watch Series 11 and Ultra 3, the Apple Watch Series 8 (launched in September 2022) has become one of the best possible purchases in the refurbished smartwatch market. It features the S8 chip, a 1,000-nit Always-On display, ECG, SpO2, body temperature sensor, precise GPS, and fall/crash detection — features that are still part of Apple's current lineup. At a fraction of the price of a new Series 10 or 11. This guide shows you what to expect from the Series 8 today, compared with the current lineup, and where to find the best refurbished option with a 24-month iOutlet warranty.
In this article
- Apple Watch Series 8: key specifications
- The key features the Series 8 introduced (that still hold up)
- What the Series 8 lacks (vs Series 9/10/11)
- Who the Series 8 is for in 2026
- Who should opt for Series 9/10/11 or Ultra 3?
- Refurbished Series 8: the smartest choice in 2026
- Quick comparison in 2026
- Why buy from iOutlet
- Frequently Asked Questions
- Does the Apple Watch Series 8 still receive updates in 2026?
- What's the difference between Series 8 and Series 9?
- Is a refurbished Series 8 or refurbished SE 2 the better choice?
- Does the Series 8 pair with iPhone 17?
Apple Watch Series 8: key specifications
- Chip: Apple S8 SiP (same as the SE 2 and original Watch Ultra)
- Sizes: 41 mm and 45 mm in aluminium (Midnight, Starlight, Silver, Product Red) or stainless steel (Graphite, Silver, Gold)
- Display: Always-On Retina LTPO OLED, brightness up to 1,000 nits
- Resolution: 396×484 (45 mm) / 352×430 (41 mm)
- Sensors: ECG, SpO2, body temperature sensor (debuted on Series 8), 3rd-generation optical heart rate, enhanced accelerometer, gyroscope
- GPS: L1 multi-constellation (GPS, GLONASS, Galileo, QZSS, BeiDou)
- Detection: fall detection, car crash detection, sleep monitoring, cycle tracking
- Water resistance: 50 metres (swimming OK), IP6X dust resistance
- Connectivity: GPS or GPS + Cellular (eSIM on cellular models), Wi-Fi 4, Bluetooth 5.3
- Battery life: up to 18 hours (up to 36 hours in Low Power Mode)
- watchOS: supports watchOS 12 and later in 2026
The key features the Series 8 introduced (that still hold up)
- Body temperature sensor — first appeared on the Series 8, useful for cycle tracking (retrospective ovulation estimation) and body baseline monitoring. Still present in the current lineup.
- Car crash detection — the Watch detects a serious car accident and automatically contacts emergency services if you don't respond.
- Low Power Mode — doubles battery life to 36 hours, useful on long trips or when you forget your charger.
- Always-On Display — see the time and complications without needing to raise your wrist.
- 3rd-generation optical sensor — more accurate heart rate readings than previous generations.
What the Series 8 lacks (vs Series 9/10/11)
- 2,000-nit brightness — Series 9 introduced double the brightness. In bright sunlight, you'll notice the difference.
- Double-tap gesture — exclusive to Series 9 and above.
- Sleep apnoea detection — Series 10 and Series 11 detect consistent patterns over 30 days.
- On-device Siri processing — Series 9 onwards. On the Series 8, Siri still uses the cloud.
- Slightly larger display — Series 10 redesigned the case to fit a larger screen within the same wrist footprint.
- 2nd-generation UWB — for Precision Finding of iPhone with a directional arrow.
Who the Series 8 is for in 2026
- Anyone who wants all the serious health features — ECG, SpO2, temperature, precise heart rate — without paying €500+ for a Series 11.
- Replacing an older Series 4/5/6 — a huge leap in display (Always-On), modern health sensors, and watchOS 12 support.
- First Apple Watch for professional or health use — entering with a recent model and a 24-month iOutlet warranty.
- Anyone focused on women's health — the temperature sensor is particularly useful for cycle tracking.
- Frequent travellers — Low Power Mode up to 36 hours makes a notable difference.
Who should opt for Series 9/10/11 or Ultra 3?
- Anyone who frequently uses their Watch in intense sunlight (Series 9+ has 2,000 nits, Ultra 3 has 3,000 nits).
- Anyone who specifically wants the double-tap gesture or offline Siri.
- Anyone who suspects they have sleep apnoea (Series 10/11 can detect it).
- Endurance athletes and extreme sports enthusiasts (Ultra 3).
Refurbished Series 8: the smartest choice in 2026
When the Series 8 launched in 2022, it started from €499 (41 mm GPS) or €599 (45 mm GPS+Cellular). In 2026, on the refurbished market, you'll find significantly more aggressive prices — a real saving compared to the current Series 10/11, with the added benefit of a 24-month iOutlet warranty (double Apple's standard warranty on new devices).
Browse today's refurbished Apple Watch Series 8 options available at iOutlet — all with a 24-month warranty, battery tested with specialist technical software, and free delivery within 8 working days in Portugal.
Quick comparison in 2026
| Feature | Series 8 refurb. | Series 11 new |
|---|---|---|
| Chip | S8 SiP | S11 SiP |
| Health sensors | ECG, SpO2, temperature | + sleep apnoea detection |
| Display brightness | 1,000 nits | 2,000–3,000 nits |
| Always-On | Yes | Yes |
| Double tap | No | Yes |
| Warranty | 24-month iOutlet | 1-year Apple (extendable) |
Why buy from iOutlet
Every refurbished Apple Watch at iOutlet undergoes a full technical inspection before dispatch: battery tested with specialist technical software, display, digital crown, heart rate sensors, oxygen sensors, temperature sensor, and communication functions. The warranty is 24 months iOutlet with direct coverage (including the battery, unlike many competitors). We operate 100% online from Coimbra, with free delivery within 8 working days in Portugal and 14 days to return, no questions asked.
Frequently Asked Questions
Does the Apple Watch Series 8 still receive updates in 2026?
Yes. It supports watchOS 12 and should continue receiving updates for several more cycles. It was launched in September 2022.
What's the difference between Series 8 and Series 9?
Mainly display brightness (Series 9 has 2,000 nits versus 1,000), the double-tap gesture (Series 9+ only), and offline Siri (Series 9+ only). For most users, both are excellent — the Series 8 offers even better value for money in the refurbished market.
Is a refurbished Series 8 or refurbished SE 2 the better choice?
Series 8 if you want ECG, SpO2, and temperature tracking. SE 2 if you only need the essentials (notifications, workouts, heart rate) and want to save more. Both run watchOS 12.
Does the Series 8 pair with iPhone 17?
Yes. It works with any iPhone running iOS 17 or later — from the iPhone XS / XR through to the latest models (including iPhone 17 and iPhone Air).
Ready to gear up? Browse today's refurbished Apple Watch options available at iOutlet — from Series 8 and SE 2 to Series 11 and Ultra 3, all with a 24-month warranty, free delivery within 8 working days, and 14 days to return, no questions asked.
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