Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. We have found one coupon for this product!
Link: Banggood product page
Coupon (149.21 USD): BGJWMEN15
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): men15, BGSACIGAT, bgcigat, 502C6B, BGCIGATS, BGMC2019, BGdragonBoat, BgcLuBofErtA10, BGAFF10OFF
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for CIGA Design T Series Transparent Mechanical Watch.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).