Oyster Perpetual Cosmograph Daytona in 18K yellow gold, with black dial and Oyster strap, 18K yellow gold bezel engraved with a tachymeter. The black dial of the watch has a snail-shaped small seconds dial, and the 18ct golden hour markers and hands are coated with clear and easy-to-read Chromalight luminous material. Rolex has its own foundry, which casts high-quality 18K gold alloys. By mixing different amounts of silver, copper, platinum or palladium, different types of 18K gold can be extracted: gold, pink gold or white gold. All raw materials are made of high-purity metals. Before the gold is formed, it must pass the careful inspection of advanced equipment in the self-operated laboratory. Every process is meticulous. The relentless pursuit of excellence from the source of production is the consistent persistence of Rolex.
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