Specifications: Dial diameter: 45 mm Case thickness: 12 mm Watch length: 240 mm Band width: 22 mm Water resistance: 30M Material: The strap is made of stainless steel, comfortable and soft and breathable. Mineral glasses, 304 steel case, Suit for all kinds of occasions. Stainless Steel Band: Durable and comfortable stainless steel band fits to daily wear.IP plating watch case and watch band will never fade.stainless steel watch is equipped with a link remover WATERPROOF : Waterproof (33 M), HANDWASH, SWIMMING, NO PROBLEM ! For all kind of business, casual, indoor activities or daily use. NOTE: Please DO NOT press any buttons in the water . After sales service: Each product has 1-year after sales service. If you have any questions about the product, please contact me immediately and we will give you a satisfactory solution.