Band Material Type:Silicone Band Length:24cm Style:Fashion & Casual Clasp Type:Buckle Origin:Mainland China Movement:Quartz Water Resistance Depth:3Bar Case Material:Alloy Case Thickness:13mm Boxes & Cases Material:Paper Model Number:8421 Band Width:22mm Feature:Auto Date,Water Resistant Dial Diameter:47mm Certification:NONE Case Shape:Round Dial Window Material Type:Hardlex Item Type:Quartz Wristwatches Care: * DO NOT use the button when the watch is in contact with water * Avoid contact of the watch with chemicals such as solvents, detergents, fragrances and cosmetics *Avoid long-term exposure to strong magnetic fields (TV, radio, etc.) WATERPROOF KNOWLEDGE: Watch waterproof is divided into 3 categories: daily life waterproof, daily life enhanced waterproof and diving waterproof Generally, water resistance of 30 meters is only for hand washing and splash resistance. Swimming needs to be waterproof to 100 meters. Waterproof watches of any grade cannot support hot water baths or showers, because waterproof watches cannot prevent water vapor