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The Oyster Case, invented by Rolex in 1926, was hailed as the world's first truly waterproof wristwatch. It combined two revolutionary features: an amazingly strong case and a hermetically sealed winding crown. In 1931, the second important innovation of the House of Rolex was the development and introduction of the "Perpetual" - the first automatic winding watch utilizing a revolutionary rotor. Little changed since its debut, the Perpetual movement transforms each movement of the wrist into a reserve of power. This system keeps the mainspring at optimum tension, assuring an extra margin of accuracy and dependability. Looking for a vintage or antique watch? *Quantity and availability will fluctuate. Savings will vary. |
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