"The Apple Watch Series 6 was announced on September 15, 2020, during an Apple Special Event and began shipping on September 18. Its principal improvement over its predecessor is the inclusion of a sensor to monitor blood oxygen saturation.Additional features include a new S6 processor that is up to 20% faster than the S4 and S5, a 2.5x brighter always-on display, and an always-on altimeter. The S6 incorporates an updated, third generation optical heart rate sensor and also enhanced telecommunication technology, including support for ultra-wideband (UWB) via Apple's U1 chip, and the ability to connect to 5 GHz Wi-Fi networks. The Series 6 watch was updated with faster charging hardware such that it completes charging in ~1.5 hours. Force Touch hardware was removed, consistent with the removal of all Force Touch functionality from watchOS 7.The Series 6 watch added Product Red and Navy Blue color options."
"Operating System: watchOS 7.0, upgradable to 8.1
Processor: Apple S6
Memory: 32GB 1GB RAM
Battery: Li-Ion 303.8 mAh (1.17 Wh), non-removable
Display Size: 1.78 inches
Display Resolution: 448 x 368 pixels
Connectivity: Wi-Fi 802.11 b/g/n, dual-band, Bluetooth, GPS, NFC
Dimmensions: 40 x 34 x 10.4 mm (1.57 x 1.34 x 0.41 in)
Weight: 39.7 g (1.41 oz)"