Rolex Oyster Perpetual Black Dial 31mm 177200 2019 [Preowned]Overview The Rolex Oyster Perpetual 31mm reference 177200 is a refined and understated expression of Rolex's core valuesprecision, elegance, and timeless versatility. Crafted in Oystersteel, this 31mm model offers a perfect balance between subtle presence and practical wearability, making it ideal for those with smaller wrists or who prefer a more classic, compact size. The black dial adds a touch of sophistication and modernity to the watch,