The product is a blue aluminum bezel insert designed for Rolex Submariner models 16610, 16610LV, 16610LN, and 16613. It is a mens' accessory with dimensions of 37.60mm X 30.70mm, and does not feature any logos or markings. The blue color and aluminum material make it a stylish and high-quality choice for customizing your Rolex watch. Made by Ewatchparts in Richmond, TX, this piece is a great addition for those looking to personalize their timepiece with a touch of blue and silver. This is being sold as a replica, not sure if it’s authentic Rolex or not.