I don't remember any watch for my hidden treasures machines, just spinning in a jackpot. I also seem to remember they never gave a hold after nudge on the jackpots.
As for the free spot the ball win, seriously no munter would ever know that, because even a munter wouldn't take such a shite feature, with plus nudge and quick nudge, guaranteeing a £2.40/£4.80 win 99.9% of the time. Even on £6 jackpot, it would 99.9% of the time be better than spot the ball.
Love the odd moment of forgetting what you are aiming for and playing as you would in real life, i.e 12:05 in the video. As a watcher, I think WTF is he doing, then you realise. That one particularly made me LOL.