Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Standby Time: About 24 months, Battery Capacity: 610 mAh, 5ATM IP67 (Deepwater waterproof is not supported), Watch data Save data for past 15 days, Type: FSTN / Full View(Sunlight-Visible), Energy saving mode: About 33 months, Size: 1.24inch, CR2450 (Japan Maxell)
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 China. There is one great coupon!
Link: Banggood product page
1. ($25.19): band10
you should apply the coupon in your 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): VIBE3, e2bcea, 16VIBE3, 16vibe3, BG16V3, 0e7f33, FBCOUPON1, BGCuponation10
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Check out price history chart (for all/most countries) for Zeblaze VIBE 3 Flagship Rugged Smart Watch.
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)).