This Samsung Galaxy Watch SM-R815U is a brand new and unopened smartwatch that has never been used. The watch comes in a sleek black color with a 42mm band that adds a touch of elegance to your style. It is unlocked, which means you can use it with any network provider of your choice.

This watch is equipped with impressive features such as water-resistance, Bluetooth connectivity, 4G data capability, GPS, and a heart-rate monitor among others. With its 4GB storage capacity, you can save your music, photos, and apps conveniently. 

It is compatible with both iOS and Android operating systems.