While preparing to move the bomb, Paul removes his watch and tosses it in his backpack, which he asks Chato to take with him when exiting the Rig. However, during the Prayer Circle, the watch is back on Paul's left wrist, with which that hand is holding Tommy's right hand. A camera pan around the circle comes back to Paul, and the watch is not on his left wrist, which is still holding Tommy's right hand.
When Junior and Chato dive down in an attempt to fix the radio lines and the shark is lurking around them, Junior swims rapidly back to the dive bell and climbs inside. When he is outside the dive bell he has his dive gear including tank and mask on, then dives through the opening and is suddenly missing everything except his wetsuit.
The son is painting a rock during a heated family discussion. When a game plan is hashed out, the son sets down the paintbrush. In the following clip, the mom picks him up but he's still holding the paint brush.
When preparing to patch the raft, Audrey collects various supplies, including a whisk. The whisk moves by itself in an unnatural fashion (dipping, flicking, raising, leaning), implying someone off-screen was holding it, or intended to hand it to Audrey before she stepped away and she forgot to take it.
When the family is in the small diner , you see the server put two bottles on the table , the bottles are very noticeably empty .