The fluted case back is hermetically screwed down with a special tool that allows only rolex oyster perpetual replica watches watchmakers to access the movement.The Oyster Perpetual’s Oyster case, guaranteed waterproof to a depth of 100 metres (330 feet), is a paragon of robustness and reliability. The waterproof Oyster case provides optimal protection for the high-precision movement. The character-istically shaped middle case is crafted from a solid block of particularly corrosion-resistant 904L steel. The crystal is made of virtually scratchproof sapphire. The winding crown, fitted with the Twinlock double water -proofness system, screws down securely against the case.
This watch is the direct descendant of the original Oyster launched in 1926, the first waterproof wristwatch in the world and the foundation on which Rolex has built its reputation. An officially certified chronometer, the Oyster Perpetual is endowed with all the fundamental attributes of the Oyster collection. It comprises the renowned Rolex waterproof Oyster case and Manufacture mechanical self-winding Perpetual movement. This rolex oyster perpetual replica model stands out with its eye-catching new dials in elegant and sporty colours.The Oyster Perpetual is the purest expression of the Oyster concept, having no other function than a reliable and accurate time display.
Each movement is a certified Swiss chronometer, a designation reserved for high- precision watches that have passed the Swiss Official Chronometer Testing Institute (COSC) tests. The high-quality design, manufacture and fine-tuning of Rolex movements ensure exceptional performance.According to its size, the rolex replica watch is equipped with either calibre 3132 (39 mm version), 3130 (36 and 34 mm versions), or 2231 (31 and 26 mm versions), three self-winding mechanical movements entirely developed and manufactured by Rolex. In calibres 3132 and 3130, the oscillator – the true heart of the watch – has a blue Parachrom hairspring patented and manufactured by Rolex in an exclusive alloy of niobium and zirconium. Insensitive to magnetic interferences, the Parachrom hairspring offers great stability in the face of temperature variations and remains up to 10 times more precise than a traditional hairspring in case of shocks.