# Apple Watch Series 11

The text version of the iDevice Guide at https://idevice.com/smart-watches/apple-watch/roadmap/series-11. Same data as the page, last updated 2026-10-03.

> Series 11 adds sleep apnea and hypertension alerts and brings blood oxygen back, in the thin Series 10 body. $399.

- Status: On sale
- List price: $399 (The maker's own starting price.)
- Released Sep 19, 2025 (source: [Apple](https://www.apple.com/newsroom/2025/09/apple-debuts-apple-watch-series-11-featuring-groundbreaking-health-insights/))
- Guide: https://idevice.com/smart-watches/apple-watch/roadmap/series-11
- Last updated: 2026-10-03

## Can it do this?

- **How long does the battery last?** It lasts up to 24 hours in normal use or up to 38 hours in Low Power Mode. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-how-long-does-the-battery-last))
- **Does it measure blood pressure?** No. It does not give you a blood pressure reading, but it can notify you about signs of hypertension. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-does-it-measure-blood-pressure))
- **What does it cost?** It starts at $399. Larger cases, cellular service, and titanium versions cost more. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-what-does-it-cost))
- **Does it read blood glucose?** No. Apple Watch Series 11 does not have a blood glucose sensor. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-does-it-read-blood-glucose))
- **Does it track sleep apnea?** Yes. It can look for signs of moderate to severe sleep apnea and send a notification if it finds them. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-does-it-track-sleep-apnea))
- **Can it get wet — shower, pool, swimming?** Yes. Apple Watch Series 11 is water resistant to 50 meters, so it is suitable for swimming, but it is not designed for scuba diving or high-speed water sports. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-can-it-get-wet-shower-pool-swimming))
- **Does it work with my phone?** It works with an iPhone. It does not support Android phones. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-does-it-work-with-my-phone))
- **Does it do 5G?** Yes, on the cellular models. GPS-only models do not have their own cellular connection. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-does-it-do-5g))
- **How heavy is it?** It weighs from 29.7g to 43.1g, depending on the case size and material. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-how-heavy-is-it))
- **How does it connect?** It connects to your iPhone over Bluetooth and Wi-Fi. Cellular models also support 5G and LTE when they are away from the phone. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-how-does-it-connect))
- **How sharp and bright is the screen?** The screen reaches 2000 nits at its brightest. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-how-sharp-and-bright-is-the-screen))
- **What chip is inside?** It uses Apple's S10 chip, which handles the watch's everyday processing and on-device features. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-what-chip-is-inside))
- **Which AI assistant does it use?** It uses Siri. Some Siri processing runs on the watch, while Apple Intelligence features depend on a compatible iPhone. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-which-ai-assistant-does-it-use))
- **What software does it run?** It runs watchOS 26, which provides the apps, health features and controls built for the watch. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#can-what-software-does-it-run))

## Works with

- **Does the Apple Watch work with heart-rate monitors, cycling sensors and gym equipment?** With a limit. Yes, with supported Bluetooth sensors and compatible GymKit equipment. Source: [Apple](https://www.apple.com/apple-watch-series-12/specs/). Checked 2026-09-21. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#q-fitness-equipment-sensors))
- **Does the Apple Watch support third-party apps like Strava, Spotify, WhatsApp and Google Maps?** With a limit. Yes, but what you can do varies by app. Source: [Google](https://support.google.com/maps/answer/9773173?hl=en). Checked 2026-09-21. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#q-third-party-apps))
- **Does the Apple Watch support tap-to-pay?** With a limit. Yes, with Apple Pay where it is available. Source: [Apple](https://support.apple.com/en-us/102775). Checked 2026-09-21. ([on the Guide](https://idevice.com/smart-watches/apple-watch/roadmap/series-11#q-payments))
- **How does the Apple Watch use the iPhone app, Apple Account and subscriptions?** Works. Set it up and manage it in the Apple Watch app; Fitness+ is optional and separate. 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-11#q-companion-app-account-subscription))
- **Does the Apple Watch support notifications and message replies away from an iPhone?** With a limit. Partly: yes over Wi-Fi or cellular, but some messages still depend on the paired iPhone. Source: [Apple](https://support.apple.com/en-ie/109015). Checked 2026-09-21.
- **Does the Apple Watch support Apple Watch For Your Kids?** With a limit. Yes, for a family member who does not have their own iPhone. Source: [Apple](https://support.apple.com/en-la/119601). Checked 2026-09-21.
- **Does the Apple Watch work with Find My?** Works. Yes, Find My can locate and protect the watch. 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-11#q-find-my))
- **Does the Apple Watch support the same features in every region and language?** With a limit. No, some features depend on your country, region, language or carrier. Source: [Apple](https://support.apple.com/en-us/102626). Checked 2026-09-21.

## Top reports

- **The S11 chip reuses the architecture from the S9 and S10** (Right.) Code shows the same T8310 architecture, so the chip is a carry-over. First reported by [MacRumors](https://www.macrumors.com/2025/08/13/apple-watch-s11-chip-info/) on Aug 13, 2025.
- **The watch turns a night's sleep into a single score** (Right.) It turned up in iOS 26 code, and one figure replaces a chart to read. First reported by [MacRumors](https://www.macrumors.com/2025/07/22/sleep-score-apple-watch-ios-26/) on Jul 22, 2025.
- **The watch keeps the previous design and adds a brighter screen** (Partly right.) The display is the visible change. First reported by [Bloomberg](https://www.bloomberg.com/news/articles/2025-09-05/what-apple-is-planning-to-introduce-at-sept-9-awe-dropping-iphone-17-event) on Sep 5, 2025.

---

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-11. This file: https://idevice.com/guide-text/apple-watch-series-11.md.

## Questions and answers

### Using it

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

**Does it measure blood pressure?** No, it does not measure blood pressure. Source: Apple

**Does it read blood glucose?** No, it has no glucose sensor. Source: Apple

**Does it track sleep apnea?** It looks for signs that you may be at risk. Its screening is FDA-cleared. It is a signal to act on, not a diagnosis. Source: Apple

**Does it work with my phone?** It works with an iPhone only. There is no Android app. Source: Apple

**Does it do 5G?** Yes, it does 5G. Source: Apple

**How heavy is it?** It weighs 29.7g to 43.1g. The weight varies by size or finish. Source: Apple

**How does it connect?** It connects over Wi-Fi. Source: Apple

**How sharp and bright is the screen?** The screen reaches 2000 nits at its brightest. Source: Apple

**What chip is inside?** It runs on Apple S10. Source: Apple

**Which AI assistant does it use?** It uses Apple Intelligence and Siri. Source: Apple

**What software does it run?** It runs watchOS 26. Source: Apple

**Does it do satellite SOS?** No, it does not do satellite SOS. Source: Apple

**What kind of screen is it?** It is an LTPO OLED screen. It drops its refresh rate to save power, which is how always-on works. Source: Apple

**Does it track sleep stages?** Yes, it tracks your sleep stages. Source: Apple

### Battery and charging

**How long does the battery last?** It runs 24 hours. That is 38 hours in low power mode, and 24 hours at most. Source: Apple

### Water

**Can it get wet — shower, pool, swimming?** The maker has published no depth rating. Its rating is IP6X. The maker has stated no swim depth. Source: Apple

### Price and models

**When did the Apple Watch Series 11 come out?** It went on sale September 19, 2025. Announced September 9, 2025. Source: iDevice

**Is there a newer one?** Yes: the Apple Watch Series 12, out September 18, 2026. Source: [iDevice](/smart-watches/apple-watch/roadmap)

**How much does the Apple Watch Series 11 cost?** List price: From $399. Current price we last read at Amazon: $349.99, October 5, 2026. Source: Apple

### Works with

**Does the Apple Watch support Apple Watch For Your Kids?** Yes, for a family member who does not have their own iPhone. With a limit Source: [Apple](https://support.apple.com/en-la/119601)

**Does the Apple Watch work with Find My?** Yes, Find My can locate and protect the watch. Works Source: [Apple](https://support.apple.com/en-gw/126302)

**Does the Apple Watch support the same features in every region and language?** No, some features depend on your country, region, language or carrier. With a limit Source: [Apple](https://support.apple.com/en-us/102626)