Basically copy coupon, view price history or create e-mail price alert. What is the best price?
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):
APP Name Huawei Health, Size: 1.39inch, Type: AOMLED, Using time: About 14 days, Charging Type: Magnetic charging, Waterproof 5ATM, Bluetooth Version Bluetooth 5.1(BLE/BR/EDR), Standby Time: About 14 days, Battery Capacity: 455 mAh, Charging Time: About 2.5 hours, Resolution: 454*454pixels
Banggood
Banggood warehouse is located in Hong Kong. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($170.99): band10
apply it 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): BGGT2E, BGAFF10OFF, BGGT2E161, Email5, BGSPGT2E, BGSS10%SW, bgshOOp10, BG11SHOP, BGCuponation10
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Do you need price history chart (for all/most countries) for HUAWEI WATCH GT 2e 42mm Smart Watch? There we go.
Price records source(s): Gearbest, 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)).