The LS02 smartwatch from Haylou has a simple design and is aimed at price-sensitive buyers. The smartwatch, which has a 1.4-inch display and up to 20 days of battery life, is now orderable for US$25.99, or under US$20 if you are happy to have the device shipped from China.
https://www.notebookcheck.net/The-Haylou-LS02-is-now-orderable-for-US-25-99.521525.0.html