You can create price alert here, copy coupons and view price history. What is the best price?
Size: 1.39inch, Resolution: 454*454pixels 326PPI, Type: AMOLED, Battery Capacity: 420mAh, Charging Type: Dock Charging (with Type-c interface), Charging Time: About 2 hours, Standby Time: About 30days, Compatible OS Android 4.4 or above, iOS 9.0 or above, Using time: About 15 days, Bluetooth Version BT 4.2 or above, APP Name Huawei Wear
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($228.28): bgwp
coupon code has to be applied in shop’s 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): HuaweiGT, 502C6B, Watchgt01, TTxBG10, band10, BG3CSUM, AFfbG10, huaweigt, BGHWGT, BGBFAFF2019, BGPro19, BGHONOR20
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for Huawei WATCH GT Smart Watch is here.
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)).