Aliexpress
Click here… to search for Huawei Honor Magic Smartwatch on Aliexpress
Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Hong Kong. I found coupon for you. Check this out.
Link: Banggood product page
Coupon (145.85 USD): band10
(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): TTxBG10, 49honor, e2bcea, 15wt, honor0220, HONOR10, HONOR20, BG128FBH, honor20, 43magic, BGHWM, BGHUA, BGMAGICW, BGВСЕHonor, BG3CSUM, BGMGGIC139, BGmagicB1, BGMagic99, AFfbG10, BGHONOR92, 8fbade, BGHWWM, BGBFAFF2019, BGHUA59616, BGPro19, BGMagic09, BGHONOR20, BGAFF10OFF, BGSS10%SW, BGHONMAG, Email5, bgshOOp10, BGHALLOWEEN, BG11SHOP, BGCuponation10
(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 Huawei Honor Magic Smartwatch is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).