Japanese quartz movement. Material: High hardness mineral glass (Key scratch resistant), stainless steel case back, compressive, and abrasion resistance. The watchband is made of Zinc Alloy, comfortable to wear. Waterproof Function: 98ft (30m). But please don't press the buttons in the water. Gifts: The watch is suitable for every occasion (outdoor, business, party), also a great gift for family and friends.