Resolution: 454*454pixels 372ppi, Charging Time: About 3.5 hours, ROM: 16 GB, Battery Capacity: 800mAh, Charging Type: Magnetic charging, Standby Time: About 5-7 days (7 days standby based on switching to the Persistent Mode), Using time: About 2-3 days, RAM: 2 GB, CPU: Dual Processor: MTK6739 1.25GHZ + NRF52840, Type: AMOLED, Size: 1.39inch.
Just check coupons out (with price alert and history). 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 available! Pretty cool, huh?
Link: Banggood product page
1. ($148.88): bgwp
paste coupon code in your cart and click Apply 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): TTxBG10, 49kop, 20TFMC, kospet10, BGOP135, BG3CSUM, 8fbade, 502C6B, BGPro19, BGKOSPET20, BGKOSPET10, Email5
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for Kospet Optimus 2/16GB Smart Watch is here. The lowest price was: $127.49.
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)).