Matthew McConaughey wears a Doxa SUB

On a dusty street in a West African market town, Matthew McConaughey reaches for a bunch of green produce, sunglasses on, Steve Zahn beside him in a New York City tee, and on his left wrist, catching the light, is an orange-dialed Doxa diver on a steel bracelet. The film is Sahara, the 2005 adaptation of Clive Cussler's adventure novel, directed by Breck Eisner, and McConaughey plays Dirk Pitt, the NUMA marine engineer who spends as much of his life underwater as above it. The watch is a Doxa SUB 600T Professional, and the reason it is there is better than the usual prop-department story.

Most film watches get picked off a tray by a costume designer. This one was specified by the novelist. Before Clive Cussler was a bestselling author he worked at a dive shop, and when he left, the manager gave him an orange-dial Doxa SUB 300T. He wore it, he loved it, and he wrote it onto Dirk Pitt's wrist across the whole series of novels, an enthusiasm so durable that Cussler may have done more for Doxa's reputation than almost anyone outside the company. When the books became a movie, the watch came along.

The orange is not a styling choice. Doxa engineered that dial color in the late 1960s for legibility underwater, where reds and oranges stay visible while other colors wash out, and the brand was an early pioneer of the recreational dive watch during the Cousteau-driven diving boom. The screen-worn prop later surfaced on its own, sold as the original screen-used Dirk Pitt Doxa, a SUB 600T Professional. The dial text never resolves in the market scene, but between the orange dial on McConaughey's wrist and the prop that came off the production, the watch points only one direction.