BOS Men's Automatic Mechanical Black Skeleton Dial Wrist Watch Gold Stainless Steel Band 9013 Imported Fashion design of gold color skeleton dial to see the movements; High quality self-wind movement,316L high quality stainless steel case and band; High hardness mineral crystal surface, anti-scratch; Stainless steel butterfly clasp,easy to wear and comfortably; Waterproof of 50M, withstands rain and splashes of water, but not showering