Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
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Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
Coupon (34.19 USD): BGWRIBAND10
(CouponsFromChina.com tip: 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
Old coupons (from the oldest to the newest): 28q8, 17Q8, 502C6B, e2bcea, band10, newwear10, BGQ8ST, AFfbG10, BG13Q8, BGBFAFF2019, BGNANWQ8, BGNWQ8, BGNEQ8, BGVDay10%off, BGband10, BGAFF10OFF, bgshOOp10, BG11SHOP, BGCuponation10
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for NEWWEAR Q8 Smartwatch is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).