What is purewatch?

As an AI language model, I have limited information on Purewatch. However, according to my search results, Purewatch seems to be a brand of smartwatches that offer various fitness tracking features such as heart rate monitoring, step counting, and sleep tracking. They also claim to provide long battery life and water-resistant design. Additionally, Purewatch allows users to receive notifications, control music, and use GPS functionalities. It is available for purchase online and is compatible with both iOS and Android devices.