True to a pioneering mindset that goes back to its origins 279 years ago, Favre-Leuba has completely rethought how to display elapsed time when diving. The Raider Harpoon watch makes this vital information clearer and easier to read than ever. Minutes are shown by an extremely visible hand that points to large, luminescent markers on the dial. A unidirectional bezel indicates remaining dive time. Hours are displayed on a rotating disc with Roman numerals that is driven by an ingenious patented mechanism. The speed at which this luminescent indicator rotates is calculated so that it returns to its starting point after exactly 12 hours. The diver simply focuses on the hand, which also points to the hour thanks to the rotating disc that moves with it.