I have a Samsung watch and often run into a similar problem - so much so that I just use refsix as a timer now, back to classic notepad or write-on cards for everything else. I always put it down to the fact that my watch is getting quite oldBig fan of refsix, but I find it glitches mid-game too frequently for my liking. Once every 5 games (ish) it won’t respond to my press when I try and end a half, or enter a goal for example.
Luckily I use a notepad as well as the app and can time the game on my other watch.
Anyone else encountered this? I use an Apple Watch 4.