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In Jackie Chan’s Who Am I, Dutch actor Ron Smoorenburg wears a silver Casio PRT-40 watch. This is a very bulky watch. In one scene, his character clearly looks at the watch to check the time.
In the 1988 movie, Ron Smoorenburg fights Jackie Chan in one of the later films in the scene. Ron Smoorenburg was picked for the role because of his martial arts prowess. Specifically, he was known for his kickboxing skills. Like many Casio watches, the PRT-40 is based on its practical use and is bigger than most Casio models.