Rolex Oyster Perpetual 31 Black Dial Oyster Bracelet - 277200 - 2025Condition Like New Box Papers Box & Papers Brand Rolex Model Number 277200 Series Oyster Perpetual 31 Model Year Call for Enquiry Production Year Call for Enquiry Case Material Oystersteel Case Size 31 mm Case Shape Round Case Back Transparent Crown Screw down, Twinlock double waterproofness system Bezel Domed Movement Perpetual, mechanical, self winding Calibre 2232, Manufacture Rolex Precision 2 +2 sec day, after casing Functions Centre hour, minute