BOS Men's Mechanical Black Dial Waterproof Bracelet Stainless Steel Wrist Watch 9002G 1. Automatic self-wind mechanical movement; 2. High quality 316L stainless steel band; 3. Features day and date windows; 4. Waterproof of 50M, please don't dip it into the hot water 5. Gift-wrap available. 1Xgift bos, 1Xgift bag, 1X band adjust tool in the package