TOOGOO(R) Sports Digital Silicone Rubber Jelly Anion Bracelet Wrist Watch Unisex black This unique watch can display month, date, time , minute Powered by 1 x LR626 Button battery (Included) Ergonomic design to fit any wrist. Material: Silicone ,Perimeter: 18cm Net weight: 10g / 0.35oz