Jake Gyllenhaal wears a Casio G-Shock

David Ayer shot End of Watch (2012) as a faux-found-footage drama about two LAPD officers working South Central Los Angeles, and the watch on Jake Gyllenhaal's Brian Taylor is exactly the kind of thing a patrol cop actually buys: a Casio G-Shock G-7900 in black resin, worn next to a paracord bracelet. In the daylight scene where Taylor and his partner sight a weapon-light Glock at a chain-link fence, the dial is clear enough to read its signature features: the curved tide-and-moon graph arced across the top, a red accent on the left, and ILLUMINATOR and WATER RESIST 200M printed on the four-screw bezel. That tide graph and moon-phase display are the G-7900's defining trick, built for surfers and divers, which means they do nothing for a man on patrol in South Central. What earns the watch its place is the rest of it: a roughly hundred-dollar resin case that shrugs off impact, an electroluminescent backlight for a dark alley at two in the morning, and a battery you forget about for two years rather than the solar cell its pricier sibling carries. There is a small joke in that, the most rugged thing on Brian Taylor's wrist keeping tide tables for an ocean he never patrols, which is peak G-Shock: you buy the apocalypse-proof watch for the features you will never use.