According to my DB the lowest price is 55.28 USD for LILYGO T-Watch-S3 Smart (in Banggood). You can create price alert here, copy coupons and view price history. What is the best price?
Latest coupon and price update (UTC):
Banggood (55.28 USD)
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product in Banggood. The question is – is it a good price? Good price! It’s lower than average one (58.60 USD)!
Link: Banggood product page
Price: 55.28 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGdc22a4
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
Click here… to search for LILYGO T-Watch-S3 Smart Watch on Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for LILYGO T-Watch-S3 Smart Watch? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).