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The Apple Watch Series 3 is Apple's older aluminum smartwatch with built-in GPS, an optical heart sensor and 50-meter water resistance. It runs watchOS and pairs only with an iPhone, so it is an iPhone accessory rather than a standalone device. It covers the basics well: notifications, activity rings, workouts with GPS, Apple Pay and heart-rate tracking. Against newer Apple Watches it lacks an always-on display, ECG, blood-oxygen sensing and the larger edge-to-edge screen, and its S3 chip is slow by current standards. It suits budget buyers and first-time smartwatch users who want core tracking on an iPhone.
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Owners treat the Series 3 as a solid entry-level Apple Watch: reliable notifications, accurate-enough GPS and heart-rate tracking, and comfortable all-day wear. Most criticism centers on sluggish performance and battery life that needs a nightly charge, and many note it feels dated next to newer models.
The Apple Watch Series 3 is a GPS smartwatch with a 38mm aluminum case and a white Sport Band. Its built-in GPS records distance, pace and route for outdoor workouts.
The Retina display with Force Touch shows the time, notifications and apps. An optical heart sensor monitors heart rate, and the Activity app tracks daily activity and calories burned and lets you set personal goals.
The watch is water-resistant up to 50 meters, so it can be used for swimming and other water activities. It runs on an S3 dual-core processor and needs an iPhone 6 or later with iOS 13 or later.
![Apple Watch SE 3 [GPS + Cellular 40mm] Smartwatch with Midnight Aluminum Case with Midnight Sport Band](https://cdn.shopify.com/s/files/1/1028/1897/1990/files/61YgGwvTiYL._AC_SL1500.jpg?width=600)
