I don't know why people struggle with this, I thought after watching the video everything is easy. However, I will say that the edges stick out, but you have to wait a few seconds and press and hold them with your fingers. It says to use a napkin, but it's much simpler and easier if you hold it with your fingers for about 30-40 seconds. After that, they stay in place. Leave to dry overnight. Pictured is my watch after drying. I'll let you know later when I wear it for a while. December 1, 2018 January 16, 2019 he's still going strong. There was no increase. I didn't fully submerge it in water so I don't know what it would be like, but I still recommend it.
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