Specification  Brand Name:  Oulm   Model Number:               3688  Movement:  Automatic Mechanical Watch  Item Type:  Wrist Watch  Dial Window Material:  Glass  Band Material:  Leather  Dial Display:  Analog  Clasp Type:  Needle Buckle  Style:  Fashion,Business  Gender:  Male  Water Resistance:  Life Waterproof (Sweat, small raindrops not afraid, But don't flush, Bubble water, Bathing etc.)   Features:  Time Display  Dial Diameter:  about 48mm  Case Thickness:  about 14mm  Band Width:  about 22mm  Band Length:  about 255mm  Package Included:  1 X Oulm 3688 Watch   Notice:  The picture is only for reference,please consider carefully before purchase.