The product is a pair of hardcover books titled "Rolex Brochure" published by Rolex. These books are in English and focus on the topic of horology, making them a valuable resource for collectors and enthusiasts of Rolex watches. The book likely contains information about Rolex's history, designs, and features, making it a great addition to any Rolex enthusiast's collection. With the original language being English, these books provide a comprehensive insight into the world of Rolex watches in a visually appealing format.
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