You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Resolution: 240*240pixels, Material: Leather&Stainless Steel, Standby Time: About 6 days, Battery Capacity: 300mAh, Using time: About 3 days, Charging Time: About 3 hours, Charging Type: Magnetic charging, Waterproof IP68 deep waterproof, Size: 1.3inch, Type: IPS(edge-edge screen design), Length: 228mm, Width: 22mm
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($53.99): band10
2. ($54.99): 7d18f7
3. ($54.99): bgshOOp10
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 44L7, TTxBG10, BGL7, BGss506, AFfbG10, BGBFAFF2019, BGML7, BGVDay10%off, BGAFF10OFF
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Microwear L7 Smart Watch? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).