The ROLEX Cyclops lens. Introduced in 1953 to enhance the legibility of the date, this curved lens, set on the crystal at 3 o’clock, above the window, is one of the brand's most emblematic features. It has been continuously improved, from its composition to its shape, to achieve utmost efficiency. Today, it is made from a virtually scratchproof sapphire crystal and benefits from a double anti-reflective coating. This lens immediately catches the eye, bringing the date into clear focus at a singl