Rolex Oyster Perpetual 41mm log series pays tribute to classic elegance without losing the atmosphere. [Case] Size 41MM, made of 904L Oystersteel and platinum dog teeth ring. The Oyster discount is equipped with a 5mm easy-to-adjust chain link extension system, which is guaranteed to be waterproof to 100 meters. [Mirror] uses anti-scratch blue crystal, anti-reflective convex magnifying calendar window [Movement] uses original 3235 all-in-one machine, blue oil silk, Consistent with the original. Efficient, precise and stable