Butch goes back to his apartment because Fabienne has forgotten to collect his father's gold watch. The item is still there while they are both preparing to leave Los Angeles. Getting it back forces the boxer to return to an address that Marsellus and his men can link to him, after he has broken the rules of the fight.
The decision stems from the watch's family value, whose history the viewer learns from the childhood flashback. For Butch, leaving it behind would mean losing something that has reached him through other people. That significance explains the risk he takes, even if it does not guarantee that he can return without coming across someone.
The visit turns a familiar home into an uncertain space. Butch knows where his things are, but not what may have changed during his absence. The sequence makes that difference between familiarity and danger clear: he goes in looking for something that belongs to him and discovers that the house is also part of Marsellus's pursuit.
The return to the apartment in Pulp Fiction (Quentin Tarantino, 1994) derails an escape that Butch had planned with Fabienne. After winning the fight he was supposed to lose, he needs to get away. The missing watch introduces a personal obligation that conflicts with that urgency.
The omission is discovered at the motel
Butch expects to find the watch he asked Fabienne to collect among his belongings. When he discovers that it is missing, he reacts with anger that disrupts the room's intimacy. The problem emerges in a place chosen as a launch point for leaving, while the object remains in the home it was dangerous to return to.
Fabienne has taken care of gathering his things, but the division of tasks has not produced the result he took for granted. Butch ends up acknowledging that he should have been responsible for an object so important to him. The scene lets us see his irritation and that acknowledgement without turning her forgetting into an explanation for all the danger around them.
The pursuit has an earlier cause: Butch has broken the deal with Marsellus. Fabienne does not create that conflict. Her omission triggers the immediate reason for the return, within circumstances that the boxer had already helped bring about through his own decisions.
The family value of the gold watch explains why Butch does not treat it as a replaceable possession. The viewer has heard the story of how it was passed down during the character's childhood. That prior knowledge helps make sense of the weight of the omission without the motel conversation having to repeat Koons's story.
A familiar house that no longer offers safety
Butch Coolidge sets off back with caution. The home still has his things and its usual layout, but he cannot assume that it is still empty. That uneven knowledge drives the suspense: familiarity allows him to move towards what he wants, while the lack of information about other people keeps the danger alive.
The reach of Marsellus Wallace weighs on the decision before Butch encounters one of his men. The boxer knows the consequences of breaking the deal. The scene shows that he accepts the risk; it does not show that he already knows where Vincent is or that he has prepared the encounter that follows inside.
Getting the watch back offers only a partial solution. Butch has found what he returned for, but he still has to leave the flat. Keeping those two actions separate extends the tension: getting hold of the object does not mean he has safely made it out of the place where he is in danger.
The presence of a gun in the kitchen introduces another piece of information. Vincent appears shortly afterwards as he comes out of the bathroom, and Butch kills him. The encounter confirms that the home was occupied by someone from Marsellus's circle. The visit began with a precise purpose and ends in a death that Butch could not have counted on before going in.
Recovering the watch does not bring the escape to an end
The scene links a planned cause with an unexpected obstacle. The reason for going back is made clear by the family memory; Vincent's appearance depends on what has happened outside Butch's knowledge. That combination allows the episode to move forward without presenting the boxer as someone who controls every step.
Within the gold watch chapter, the apartment serves a different function from the pawnshop. Here Butch accepts a risk in order to recover something that is his. Later he will have to decide whether to expose himself again for someone else. The similarity between the two movements does not erase the difference between their motives.
When he leaves with the watch, Butch may believe that he has overcome the problem that forced him to return. The later encounter with Marsellus in the street prevents that recovery from becoming a safe ending. The object is already with him, but the consequences of the fight are still active outside the house.
The return makes it possible to see how much he is willing to risk for a specific inheritance. The film makes that priority understandable without suggesting that the choice is sensible or that any other character ought to share it. Butch decides with the information and ties he has, and he faces circumstances that he only discovers by acting.
Fabienne stays at the motel while Butch deals with the return journey. The story follows the boxer, so the viewer receives information that she does not yet have. When they meet again, they will not have lived through the same wait: for Fabienne, leaving is still pending; for Butch, the trip will have piled up incidents that he will have to relay very briefly.
This difference helps explain the apparent imbalance in some of their conversations. An ordinary question can come after a violent episode without the person asking it knowing what has happened. The time elapsed is shared, but the experience and information of each member of the couple are different.
The motel therefore works as the place where a shared plan was left in suspense. Butch leaves it to correct a mistake and must return in order to continue with Fabienne. While he is away, the film keeps that meeting pending. The return to the apartment is part of a journey that still has someone else waiting for him.