4-Satellite / 3-Modes GPS: GPS / GLONASS / GALILEO / BEIDOU, VO2 max Measurement, 1.32 inch HD Color Touch Screen, Compass, 120+ Sports Modes, 5ATM Waterproof, Spo2 Level Measurement, 25 Days Battery Life.
Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
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. There is one coupon right now! Check this out.
Link: Banggood product page
1. ($25.99): BGd506bd
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGfc2a18, BGBRZES1, BG8d98c4, BGMDE9D, 6GSGIT, BG11ANV04, BGBF1106, BG756d3f, BG84ba81, BG422d5b, BG51f436, BG92b2b9, BGc70579, BGe72110, BGf2557f, 976b97, 636d89, BG3c281b, BG3e8809, BG7543b8, BGHOBBY12, BGJP900, BGac4429, BG22d9e7, BGbf11dd
(these coupons are old, so probably won’t work)
Price history and price alert
Price history (for all/most countries) for Zeblaze Stratos GPS Smart Watch is here. The lowest price was: $29.99.
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)).