Rolex - 34mm PEARLMASTER Series.1: The ladies' Pearlmaster model is crafted from 904L stainless steel, which is forged into a durable stainless steel watch case with high corrosion resistance. This superalloy is not only extremely durable but also easy to polish, maintaining its beauty even in the most extreme environments.2: It features an imported automatic movement Caliber, which offers exceptional stability with shock resistance and a geometric structure that ensures the movement operates consistently in any position.3: The triangular patterned case back is securely tightened with a special tool, ensuring the casing is safely sealed. The winding crown is equipped with a double-lock double waterproof system, firmly screwed onto the case for enhanced water resistance.4: The crystal is made from scratch-resistant sapphire, with a magnifying lens at the 3 o'clock position for easy date reading. The Oyster case of the ladies' Pearlmaster provides optimal protection for the high-precision movement.5: The new concealed connection method between the strap and the case ensures a seamless visual effect. The redesigned commemorative strap features a new generation of hidden crown clasp, easily opened by the iconic Rolex crown logo.