1. Size: Maximum circumference 195mm (adjustable strap length), head height 51mm, width 32mm, thickness 15mm 2. Material: High-quality PU plastic watchband, high-quality PU material shell 3. It has waterproof function of 50 meters depth. 4. Core: Electronic Core 5. Function: Time display, start animation 6. Fashion personality design, comfortable and beautiful to wear 7. Good quality and durability