Aliexpress
Click here… to search for NO.1 F3 Smartwatch Black and Red on Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – NO.1 F3 Smartwatch (-3 USD)
2. China – NO.1 F3 Smartwatch White and Orange (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. We have found one coupon for this product!
Link: Banggood product page
Coupon (22.62 USD): band10
(CouponsFromChina.com tip: just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): 502C6B, e2bcea, TTxBG10, 2019SPEDM, BG3CSUM, AFfbG10, bgdt15, 0e7f33
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – NO.1 F3 Smartwatch (-3 USD)
2. China – NO.1 F3 Smartwatch White and Orange (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for NO.1 F3 Smartwatch Black and Red.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).