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Apple Watch Series 9
Apple

Watch Series 9

The 2023 Series 9 added double tap and a 2,000-nit screen; buy it used, not new.

Smartwatches
8.5/10What the pros sayExcellentExpert consensus · Verified Oct 8, 2026See score breakdown ↓
Buying call

Buy the Apple Watch Series 9 used only if you want an always-on Apple Watch for little money: it has the S9 chip, double tap, on-device Siri and a 2,000-nit screen, and still runs current watchOS. Skip it if you can stretch to a new watch, since the $249 SE 3 has a warranty and the S10 chip (Apple, Oct 8, 2026). Apple rates the Series 9 at 18 hours, so sleep tracking means charging every day, and an older battery may already be worn. It's iPhone only.

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Real-world useBased on everyday testing, not a spec sheet
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Watch Series 9Check priceSee price
Key specs
Battery life
18
Display
45 mm
Weight
31.9 g (41mm aluminum GPS) / 38.7 g (45mm)
Water resistance
50 m (ISO 22810:2010) + IP6X
Highlights

Specs that matter

Display
Panel
OLED
Brightness
2000 nits
Performance
Processor
S9 SiP with 64-bit dual-core processor
Body
Dimensions
height: 45mm; width: 38mm; depth: 10.7mm
At a glance

Product highlights

Verified attributes, grouped for quick scanning.

DisplayOLEDOLED
ChipsetS9 SiP with 64-bit dual-core processor
20 attributes · See all specifications
Price & availability

Where to buy

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Buying decision

Should you buy it?

Buy the Apple Watch Series 9 used only if you want an always-on Apple Watch for little money: it has the S9 chip, double tap, on-device Siri and a 2,000-nit screen, and still runs current watchOS. Skip it if you can stretch to a new watch, since the $249 SE 3 has a warranty and the S10 chip (Apple, Oct 8, 2026). Apple rates the Series 9 at 18 hours, so sleep tracking means charging every day, and an older battery may already be worn. It's iPhone only.

Best for

iPhone owners who want an always-on Apple Watch on a tight used budget.

Not for

Anyone buying new, and anyone who wants multiday battery.

Main strengthBright 2,000-nit screen
Main weaknessApple no longer sells it new (Oct 8, 2026)
Reasons to buy
Bright 2,000-nit screen
Double tap gesture and on-device Siri
Fast S9 chip
Still supported by current watchOS
Reasons to avoid
Apple no longer sells it new (Oct 8, 2026)
18-hour battery rating
Same design and sizes as the Series 8
Measured view8.5/10What the pros say · verified oct 8, 2026.
ScoreVerified Oct 8, 2026
Independent coverage

What other reviewers say

Reviews from other sites and creators. They don't change the Gadget Clash score.

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The Verge8/10
Article · Full reviewApple Watch Series 9, Ultra 2 review: quietly the bestVictoria Song · Sep 2023Read on The Verge ↗
WIRED7/10
Article · Full reviewApple Watch Series 9 Review: New Chip and New WatchOS 10 Health UpdatesAdrienne So · Sep 2023Read on WIRED ↗
CNET8.6/10
Article · Full reviewApple Watch Series 9 Review: New Tricks Make for a Minor UpgradeLisa Eadicicco · Sep 2023Read on CNET ↗
DesFitApple Watch Series 9 Review for Sports & Fitness // Do You Need To Go ULTRA?Watch on YouTube ↗
Marques BrownleeApple Watch Series 9 & Ultra 2: What Are We Waiting For?!Watch on YouTube ↗
DC RainmakerApple Watch Series 9 In-Depth Review: Worth Upgrading?Watch on YouTube ↗
Head to head

How it stacks up

Open a comparison for the full side-by-side view.

Choose a gadget
Apple Watch Series 9
This deviceWatch Series 9
VS
AlternativeWatch Series 11
Chipset
S9 SiP with 64-bit dual-core processorS10 chip with 64-bit dual-core processor
Full comparison
Apple Watch Series 9
This deviceWatch Series 9
VS
Watch SE 3
AlternativeWatch SE 3
Chipset
S9 SiP with 64-bit dual-core processorS10 chip with 64-bit dual core processor
Full comparison
Apple Watch Series 9
This deviceWatch Series 9
VS
AlternativeWatch Series 10
Chipset
S9 SiP with 64-bit dual-core processorS10 SiP with 64-bit dual core processor
Full comparison
Same category

Alternatives worth a look

Other phones in the database, with their stored scores and prices.

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8.5
AppleWatch Series 11S10 chip with 64-bit dual-core processor
Watch SE 38.7
AppleWatch SE 3S10 chip with 64-bit dual core processor
8.6
AppleWatch Series 10S10 SiP with 64-bit dual core processor
Watch Ultra 28.7
AppleWatch Ultra 2S9 SiP with 64-bit dual-core processor
Product data

Full specifications

20 attributes, grouped for quick scanning. Verified Oct 8, 2026. Spot a wrong value? Hit the next to it.

Battery

Battery life
18

Display

Display
45 mm
Display type
Always-On Retina LTPO OLED display
Brightness
2000
Always-on display
✓

Performance

Neural engine
4-core Neural Engine

Connectivity

Bluetooth
5.3
Wi‑Fi
Wi-Fi 4 (802.11n)

Body

Weight
31.9 g (41mm aluminum GPS) / 38.7 g (45mm)
Water resistance
50 m (ISO 22810:2010) + IP6X
Dimensions
45 x 38 x 10.7 mm
Vote & discuss

Community says

No reader votes on the Watch Series 9 yet. Votes happen on head-to-heads: pick a matchup and say which one you would buy.

Watch Series 9No store price yetSpecs
Apple Watch Series 9 Specs, Price & Features | Gadget Clash