Timeless Design The Oyster Perpetual collection represents the purest expression of Rolexs watchmaking heritage. With its clean lines, balanced proportions and enduring design, the model continues to embody the brands commitment to precision and elegance. Refined and Compact This reference 177234 features a 31mm Oystersteel case with a fluted bezel and silver dial. Powered by the calibre 2231 automatic movement, it offers a power reserve of approximately 48 hours. The three-link Oyster bracelet is secured with an Oysterclasp, delivering both comfort and durability in a compact format.