Xiaomi Amazfit GTR 42mm Smart Watch (Banggood, Aliexpress: IP rating: 5ATM, RAM: 16MB, Charging Time: About 60mins, ROM: 40MB, Bluetooth Version: Bluetooth 5.0, Battery Capacity: 195mAh, Screen size: 1.2 inch, Operating mode: Touch Screen, Screen resolution: 390x 390, Waterproof / Water-Resistant: Yes, Standby time: 12 days, Screen: AMOLED, Model Number: GTR (the best price with coupon)).
Check coupons or create price alert down below. What is 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):
Banggood
Banggood warehouse is located in Hong Kong.
Link: Banggood product page
1. ($112.49): amazfit100
2. ($119.99): 7d18f7
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGGT42M, BGGTR42, AFfbG10, 8fbade, bggtr128, BGGTR129, BG11GTR42, BGGTR42119, BGGTR42JL, BGGTR109, BGGTR100, BGGTR11499, BGALIBUYTR, BGALIBUYAGT, Email5, BGFabioamaz
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Amazfit GTR 42mm Smart Watch. The lowest price was: $100.
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)).