Assistive Touch for the Apple Watch works like magic. It lets you use your watch with gestures with the hand of the same arm you are wearing your watch on. No need to use your nose! If you don't have it on, is because you don't know about it.
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If a table view cell has a disclosure indicator accessory type configured, the button trait gets added automatically. A good reminder that when following Apple's Human Interface Guidelines, things are more accessible out of the box.
If your watch app has good VoiceOver support, chances are you'll also have good Assistive Touch support. But an improvement you can make is to implement a quick action (triggered with a double pinch) when there is a main action you can perform.
@azzoor has this great video with some advice on how to set up your device for testing accessibility and a ton of tips will get you testing effectively in no time. https://m.youtube.com/watch?v=Ca1H6wF348g&feature=youtu.be
