very weird thing happening in the stand up

i was watching this a few days ago and i noticed that in the first 15 min of the movie when he says virginia looking over with binoculars and they say not yet. he puts his hands to his eyes to be binoculars and he wristwatch slips down his arm but in the next shot the camera goes to another angle with his hands still there but his watch goes back up his arm watch this part and tell me what you think i think its in the first 15 mins of the stand up