GENEVA—Touting their new timepiece as a marvel of modern horology, watchmaker Rolex unveiled a diver’s cuckoo clock Thursday capable of keeping accurate time at undersea depths of up to 3,000 meters. “Whether you’re surveying the depths of the Mariana Trench or just taking your submarine out for a spin, the waterproof, pressure-sealed Oysterquartz clock makes the perfect undersea companion,” a press release touting the product’s specifications read in part, noting the combination of craftsmanship and technology that allows the clock to stay accurate to within 100 milliseconds, the detachable hook that easily attaches to standard mounts of most watercraft, and the ornithologically correct cuckoo on its machined steel extension armature. “When you buy a Rolex Perpetual Cuckoo Sub-Mariner, you know you’re getting the most durable, highest quality clock available, and one that will long outlast others in its class.” Rolex announced that the clock would make its public debut in the next James Bond film.

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