Multisport Smartwatch

KOSPET MAGIC 4 is designed to be more powerful than the previous generation, thanks to the revolutionary design of the watch materials and manufacturing process, while remaining ultra-lightweight, the watch is very comfortable to wear while doing sports or sleeping.https://www.kospet.com/products/kospet-magic-4-smartwatch
Or called wrist watch, it refers to the instrument worn on the wrist to time / display time. Watch in English comes from the medieval word "watchhe".
Usually, leather, rubber, nylon cloth, stainless steel and other materials are used to make watch bands, and the "meter" showing time is tied on the wrist.