Net weight S: 60g, Waterproof 5ATM, L: 72g, Watch length S: 250mm, Battery Life 3 years, L: 255mm, Item Xiaomi TwentySeventeen, Case material ABS + PU, Strap material PU, Watch diameter S: 50mm, Case thickness S: 17mm, Lens material High transparent resin, L: 18mm, L: 54mm.
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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. Hmmm… There is no active coupon in Banggood at this moment.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGjk61, BGOD1, bgtwsen1, men15, BGTS17, BGTSW99, BGHQP, BGTSQP, BGPDW, BGD15, BGTSW, BGTSDW, 13f142, BGHONEY2110, BGa140a2, BGJWMEN15, BG5dd666, BG2c81df, BG8aa34c, BGfa699e, BGeea816
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi TwentySeventeen Sport Watch. The lowest price was: $8.88.
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)).