BOS Men's Automatic Self-Wind Mechanical Black Skeleton Wrist Watch 9008 Imported All black design, IP ion coating,3D black skeleton dial, Dia 42mm case.20mm band width, 11mm case thickness. Fashion look and special design High quality Automatic mechanical movement High quality 316L stainless steel case Protective Synthetic-sapphire crystal dial window, luminous pointer, Gift box, Water resistant to 330 feet (100 M) with stands rain and splashes of water