![Apple Watch Series 4 Teardown: 20% Less Battery Capacity, Hidden Barometric Sensor, and Streamlined Internals [Updated] - MacRumors Apple Watch Series 4 Teardown: 20% Less Battery Capacity, Hidden Barometric Sensor, and Streamlined Internals [Updated] - MacRumors](https://images.macrumors.com/t/Z3u1E36KpPRBiFvDE8CY5pmwzbY=/1600x/article-new/2018/09/ifixit-apple-watch-series-4-teardown-1.jpg)
Apple Watch Series 4 Teardown: 20% Less Battery Capacity, Hidden Barometric Sensor, and Streamlined Internals [Updated] - MacRumors
![Apple Watch Series 7 teardown reveals big screen changes, minor battery upgrade - Apple Watch Discussions on AppleInsider Forums Apple Watch Series 7 teardown reveals big screen changes, minor battery upgrade - Apple Watch Discussions on AppleInsider Forums](https://photos5.appleinsider.com/gallery/45198-87931-211021-Series7Teardown2-xl.jpg)
Apple Watch Series 7 teardown reveals big screen changes, minor battery upgrade - Apple Watch Discussions on AppleInsider Forums
![Apple Watch Series 4 Teardown: 20% Less Battery Capacity, Hidden Barometric Sensor, and Streamlined Internals [Updated] - MacRumors Apple Watch Series 4 Teardown: 20% Less Battery Capacity, Hidden Barometric Sensor, and Streamlined Internals [Updated] - MacRumors](https://images.macrumors.com/t/yxjm5DDgMbMeXeKHBOfi70eOi68=/400x0/article-new/2018/09/ifixit-apple-watch-series-4-teardown-3.jpg?lossy)