Rolex waterproof is the core of identity. In 1926, Rolex invented the first waterproof watch - Oyster-style watch. Each Oyster watch only the depth of water up to 100 m / 330 feet, and after rigorous testing to ensure that its guarantee is less than the depths remain, there are well-waterproof. Specially designed for divers who created the model, but also a symbol of the Rolex in the deep waters of the supreme authority. Rolex watch to conquer the sea. Throughout the series, Rolex and water everywhere such a strong and a special tie. In 1931,
replica chanel, Rolex invented constant pendulum Tuo and patented. This is the world's first self-winding watch device. Constant Tuo pendulum can swing the wrist slightly for each one turned into the driving force to promote movement, so watch long-term running. Tuo put the kinetic energy generated by the primary winding can also be stored in, make sure that 48 to 72 hours (based on different models) and run automatically.