Case thickness: 13MM Case: Alloy Strap: Steel strap Waterproof: 30 meter living waterproof Movement: Quartz movement Table buckle: Double press folding buckle Mirror: Mineral reinforced glass mirror surface Wearing precautions: Avoid contact with water when wearing the belt, and avoid exposure to high temperatures, magnetic fields, and other environments that may cause damage to the watch On time, belt peeling, shell discoloration, and other situations.