GOHUOS Mens Analog Digital LED Calendar Stopwatch Alarm Stainless Steel Bracelet Sports Wrist Watch -Red Multiple Function. Waterproof & Alarm Clock & Calendar & LED. Quality and Durable: Stainless Steel Band,durable and pratice, gives you a new classic definition. Japanese Quartz Movement, precise quartz movement for accurate time keeping. Convenient and comfortable: Stainless steel clasp, free buckle, easy to put on or take off. 30M waterproof design , good choice suitable for outdoor sports use.But not for Diving Swimming or Hot Water