Key Points The 42mm model is now priced at $370, and the 46mm model is available for $399, with options in Jet Black and Silver Aluminum. The Series 10 features bigger screens, increasing to 42mm and 46mm from the previous 41mm and 45mm models. The battery in the Series 10 lasts slightly longer than its predecessor, offering more usage time. The Series 10 introduces sleep apnea monitoring, allowing users to track their sleep for 30 days to detect potential health...