1. alloy case, white steel with Nickel free plating; 2. PU band, steel buckle; 3. digital display time. date and week, hands show two place's time; 4. over one year battery life; 5. with alarm clock and time signal; 6. stopwatch; 7. common waterproof. packing: OPP bag, 10pcs/sheaf, 30pcs/box CBM: 40?8?0CM N.W.: 10.00KG G.W.: 12.40KG QTY: 300pcs/CTN