IWatch Series 3 https://www.apple.com/apple-watch-series-3/ It looks like the series 2 and 3 are water-resistant: https://support.apple.com/en-us/HT205000 Since they are enclosed in a plastic/rubber enclosure this should be fine. Users would have to abide by Apples documentation on the restrictions of the watch. About Bluetooth, Wi-Fi, and cellular on your Apple Watch https://support.apple.com/en-us/HT204562 Learn about Bluetooth and Wi-Fi for your Apple Watch and how your watch uses both. And how cellular on Apple Watch Series 3 (GPS + Cellular) fits in. Getting Started in Simulator https://developer.apple.com/library/content/documentation/IDEs/Conceptual/iOS_Simulator_Guide/GettingStartedwithiOSSimulator/GettingStartedwithiOSSimulator.html