# Apple Watch Series 9

The text version of the iDevice Guide at https://idevice.com/smart-watches/apple-watch/roadmap/series-9. Same data as the page, last updated 2026-11-11.

> Apple's 2023 watch, now a previous generation. The S9 chip, double tap, a 2,000-nit Always-On display, ECG, Blood Oxygen and up to 18 hours of battery. Launched at $399.

- Status: Previous generation (still sold or superseded)
- Price: $399
- Released Sep 22, 2023 (source: [Apple Newsroom](https://www.apple.com/newsroom/2023/09/apple-introduces-the-advanced-new-apple-watch-series-9/))
- Guide: https://idevice.com/smart-watches/apple-watch/roadmap/series-9
- Last updated: 2026-11-11

## Can it do this?

- **Does it measure blood pressure?** It watches for high blood pressure, but it does not read it. You get a notification if your readings look high over weeks, not a number. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-does-it-measure-blood-pressure))
- **What does it cost?** It costs $399. That is the current list price. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-what-does-it-cost))
- **Can it get wet — shower, pool, swimming?** Yes, you can swim in it. It is rated to 50m. The rating does not cover hot showers, soap or saunas. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-can-it-get-wet-shower-pool-swimming))
- **How heavy is it?** It weighs 31.9g to 51.5g. The figures are for different sizes, bands or parts. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-how-heavy-is-it))
- **What sizes does it come in?** It comes in 41mm or 45mm. There are 2 case sizes. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-what-sizes-does-it-come-in))
- **What colors does it come in?** It comes in 7 finishes. Gold, Graphite, Midnight, Pink, (PRODUCT)RED, Silver, Starlight. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-what-colours-does-it-come-in))
- **How sharp and bright is the screen?** The screen reaches 2000 nits at its brightest. It packs 326 pixels into every inch. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-how-sharp-and-bright-is-the-screen))
- **Does it take an ECG?** Yes, it takes an ECG. It is a regulated feature, so availability varies by country. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-does-it-take-an-ecg))
- **Does it measure blood oxygen?** Yes, it measures your blood oxygen. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-does-it-measure-blood-oxygen))
- **Does it track heart rate?** Yes, it tracks your heart rate. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-does-it-track-heart-rate))
- **Does it read skin temperature?** Yes, it reads your skin temperature. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#can-does-it-read-skin-temperature))

## Works with

A smartwatch that works with iPhone. It does not work with Android.

- **Which iPhones does the Apple Watch Series 9 work with?** Works. It works with every iPhone that runs iOS 17 or later, from the iPhone XR on. Source: [Apple](https://www.apple.com/shop/buy-watch/apple-watch). Checked 2026-11-03. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#q-which-iphones))
- **How does the Apple Watch use the iPhone app, Apple Account and subscriptions?** Works. Set it up in the Apple Watch app with your Apple Account. Fitness+ is optional. Source: [Apple](https://support.apple.com/en-ie/109015). Checked 2026-09-21. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#q-companion-app-account-subscription))
- **Does the Apple Watch support notifications and message replies away from an iPhone?** Some features missing. Yes, but some messages still need the iPhone switched on. Source: [Apple](https://support.apple.com/en-ie/109015). Checked 2026-09-21.
- **Does the Apple Watch work with Find My?** Works. Yes. Locate it, play a sound, mark it lost or erase it. Source: [Apple](https://support.apple.com/en-gw/126302). Checked 2026-09-21. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#q-find-my))
- **Does the Apple Watch support the same features in every region and language?** Doesn't work. No. Health features, Siri AI, Apple Pay and cellular vary by country. Source: [Apple](https://support.apple.com/en-us/102626). Checked 2026-09-21.
- **Does the Apple Watch Series 9 work with Android?** Doesn't work. No. Apple Watch works only with iPhone, so an Android phone cannot set up or pair an Apple Watch Series 9. Source: [Apple](https://www.apple.com/shop/buy-watch/apple-watch). Checked 2026-11-03. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#q-android))
- **Does the Apple Watch Series 9 work with iPhone?** Works. Yes. Apple Watch Series 9 pairs with an iPhone Xs or later with iOS 17 or later, through the Apple Watch app. Source: [Apple](https://www.apple.com/shop/buy-watch/apple-watch). Checked 2026-11-03. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#q-iphone))

## Questions

### How much did the Apple Watch Series 9 cost at launch?

It started at $399 in the US when it launched in 2023. Source: [Apple Newsroom](https://www.apple.com/newsroom/2023/09/apple-introduces-the-advanced-new-apple-watch-series-9/). ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#faq-how-much-did-the-apple-watch-series-9-cost-at-launch))

### Is the Apple Watch Series 9 still sold by Apple?

No. It is a previous-generation model from 2023. Apple's lineup now lists Apple Watch Series 12, Apple Watch Ultra 4 and Apple Watch SE 3. Source: [Apple](https://www.apple.com/watch/). ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#faq-is-the-apple-watch-series-9-still-sold-by-apple))

### What sizes and finishes does the Apple Watch Series 9 come in?

Two sizes, 41mm and 45mm. Aluminum cases came in Starlight, Midnight, Silver, (PRODUCT)RED and Pink, and stainless steel cases in Gold, Silver and Graphite. The 41mm fits wrists 130 to 200mm around and the 45mm fits 140 to 245mm. Source: [Apple Newsroom](https://www.apple.com/newsroom/2023/09/apple-introduces-the-advanced-new-apple-watch-series-9/). ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#faq-what-sizes-and-finishes-does-the-apple-watch-series-9-come-in))

### How long does the Apple Watch Series 9 battery last?

Apple rates it at up to 18 hours of normal use and up to 36 hours in Low Power Mode, so plan to charge it daily. Fast charging reaches 80% in about 45 minutes. Source: [Apple Support](https://support.apple.com/en-us/111833). ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#faqs-how-long-does-the-apple-watch-series-9-battery-last))

### Does the Apple Watch Series 9 have ECG and Blood Oxygen?

Yes. Apple's spec sheet lists the ECG app, the Blood Oxygen app and an electrical heart sensor, plus irregular rhythm notifications and high and low heart rate notifications. Blood Oxygen measurements are calculated and viewed on iPhone in the Health app. Source: [Apple Support](https://support.apple.com/en-us/111833). ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#faqs-does-the-apple-watch-series-9-have-ecg-and-blood-oxygen))

### Does the Apple Watch Series 9 get sleep apnea and hypertension notifications?

Yes, both are on Apple's Series 9 spec sheet. Sleep apnea notifications are for people 18 or older without a sleep apnea diagnosis, and hypertension notifications are not for people under 22, people already diagnosed with hypertension, or pregnant persons. Source: [Apple Support](https://support.apple.com/en-us/111833). ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#faqs-does-the-apple-watch-series-9-get-sleep-apnea-and-hypertension-notificat))

### What is double tap on the Apple Watch Series 9?

Tap your index finger and thumb together twice to press the main button in an app: answer or end a call, stop a timer, play and pause music or snooze an alarm, without touching the screen. Source: [Apple Newsroom](https://www.apple.com/newsroom/2023/09/apple-introduces-the-advanced-new-apple-watch-series-9/). ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#faqs-what-is-double-tap-on-the-apple-watch-series-9))

### How bright is the Apple Watch Series 9 screen?

Up to 2000 nits, double the Series 8, and it can dim to 1 nit in a dark room. Source: [Apple Newsroom](https://www.apple.com/newsroom/2023/09/apple-introduces-the-advanced-new-apple-watch-series-9/). ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-9#faqs-how-bright-is-the-apple-watch-series-9-screen))

---

Source: iDevice (https://idevice.com). Every spec, rumor and grade above links to where it came from. Full Guide: https://idevice.com/smart-watches/apple-watch/roadmap/series-9. This file: https://idevice.com/guide-text/apple-watch-series-9.md.

## Questions and answers

### Using it

**What does it cost?** It costs $399. That is the current list price. Source: Apple

**Does it measure blood pressure?** It watches for high blood pressure, but it does not read it. You get a notification if your readings look high over weeks, not a number. Source: Apple

**How heavy is it?** It weighs 31.9g to 51.5g. The figures are for different sizes, bands or parts. Source: Apple

**What colours does it come in?** It comes in 7 finishes. Gold, Graphite, Midnight, Pink, (PRODUCT)RED, Silver, Starlight. Source: Apple

**How sharp and bright is the screen?** The screen reaches 2000 nits at its brightest. It packs 326 pixels into every inch. Source: Apple

**Does it take an ECG?** Yes, it takes an ECG. It is a regulated feature, so availability varies by country. Source: Apple

**Does it measure blood oxygen?** Yes, it measures your blood oxygen. Source: Apple

**Does it track heart rate?** Yes, it tracks your heart rate. Source: Apple

**Does it read skin temperature?** Yes, it reads your skin temperature. Source: Apple

### Sizing and fit

**What sizes does it come in?** Case sizes: Apple Watch Series 9 is available in 41mm and 45mm sizes in starlight, midnight, silver, (PRODUCT)RED, and a new pink aluminum case, as well as stainless steel in gold, silver, and graphite cases. Source: Apple

### Water

**Can it get wet — shower, pool, swimming?** Yes, you can swim in it. It is rated to 50m. The rating does not cover hot showers, soap or saunas. Source: Apple

### Price and models

**Is there a newer one?** Yes: the Apple Watch Series 10, out September 20, 2024. Source: [iDevice](/smart-watches/apple-watch/roadmap)

**How much does the Apple Watch Series 9 cost?** List price: Apple Watch Series 9 starts at $399 (U.S.), and Apple Watch SE starts at $249 (U.S.). Source: [Apple](https://www.apple.com/newsroom/2023/09/apple-introduces-the-advanced-new-apple-watch-series-9/)

**What colors does it come in?** Gold, Graphite, Midnight, Pink, Product Red, Silver, Starlight. Source: Apple

### Returns and warranty

**How long do I have to return it?** 14-day returns The clock starts the day it arrives. Source: [Apple](https://www.apple.com/legal/sales-support/sales-policies/retail_us.html)

**Is there a restocking fee?** Restocking fee: not stated by Apple Source: [Apple](https://www.apple.com/shop/help/returns_refund)

**Who pays return shipping?** Who pays return shipping: not stated by Apple Start the return online and print a return label, then schedule a carrier pickup or drop it at the carrier. You can also return it at any U.S. Apple Store. Source: [Apple](https://www.apple.com/shop/help/returns_refund)

**Can I return it if I opened or wore it?** Send it back like new Return it in its original condition with all included parts, accessories and packaging. Source: [Apple](https://www.apple.com/legal/sales-support/sales-policies/retail_us.html)

**How do I get my money back?** How you get your money back Card refunds go to your bank within five business days after Apple receives the item. Returns may be inspected; approved refunds or exchanges are issued within 10 business days. Cash returns over $750 are paid by check within 10 business days. Source: [Apple](https://www.apple.com/legal/sales-support/sales-policies/retail_us.html)

**How long is the warranty?** 1-year warranty Starts the day you buy it. Source: [Apple](https://www.apple.com/legal/warranty/products/ios-warranty-document-us.html)

**Is water damage covered?** Water damage not covered For iPhone and Apple Vision Pro the warranty names liquid contact as an excluded cause, and Apple's iPhone water page says liquid damage is not covered under warranty. The Apple Watch warranty's version of the same clause does not list liquid contact; see the Apple Watch overrides. Source: [Apple](https://support.apple.com/en-us/108039)

**Is the battery covered?** Battery covered only for defects The standard warranty covers a battery only if it fails from a defect. The 80 percent rule belongs to AppleCare, not to the free warranty: AppleCare plans cover batteries that keep less than 80% of their original capacity. Source: [Apple](https://www.apple.com/applecare/)

### In the box

**What's in the box?** Apple Watch Series 9, Band, Apple Watch Magnetic Fast Charger to USB-C Cable (1m), Not included: Power adapter. Source: [Apple](https://support.apple.com/en-us/111833)

### Works with

**Does the Apple Watch Series 9 work with iPhone?** Yes. Apple Watch Series 9 pairs with an iPhone Xs or later with iOS 17 or later, through the Apple Watch app. Works Source: [Apple](https://www.apple.com/shop/buy-watch/apple-watch)