TW Longines Master Collection 6-Digit Series, original mold design. Orders come with a double-sided cowhide switch ear from the boutique. Front and back are made with sapphire glass. All components are 100% interchangeable and compatible with genuine products. The movement features the latest 2892 modified to L619/888 automatic ultra-thin movement, with two types of rotors available for selection. Diameter is 38.5mm and thickness is 9.5mm. Three codes integrated, comes with tags and cards just like in the boutique. The whole watch is flawless and guaranteed in quality. Welcome to place your order for a stylish and trendy casual design!