5.0 bluetooth Name BW-GTC, Blue, APP Name Da Fit, Model BW-GTC, Weather Forecast Support, Bluetooth Calling (Receive / Make Call) Support, Brightness Contorl Support, Custom Dial Support, Multi-watch Faces Support, Length: about 120+75mm, Color Black, bluetooth Version BT V5.0+V3.0, Type: IPS Color Touch Screen, Width: about 20mm (Support universal 20mm watch strap), Charging Time: About 1.5 hours, Gold, 3.0 bluetooth Name BW-GTC-T, Operation mode Full Screen Touch + Press Button, CountDown Support, Charging Type: Clamp charging, Battery Capacity: 230 mAh, Music Control Support, Standby Time: about 10 days (Basic watch mode); 7 days (Daily use mode); 220mins (bluetooth call mode), Compatible OS Android 4.4 / iOS 9.0 and above system, Size: 1.54inch, Resolution: 240*240 pixels, Waterproof IP67 waterproof.
Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
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Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
1. ($16.99): BG6e4d15
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGC1GTC, 10%ForNewBW, band10, BGCuponation10, BGHUG62574, 10%ForBGBW, BGS3GTC, BGBGTC, BGbdafdd, BGfcca98, BGfd8d44, BG9d863c, BGWRIBAND10, BG5fce31, BG98c532, 6GSGIT, BGdb67c9, BGBFGTC, BG34cac2, BG51f436, BG1ec09f, BGf6a2ab, BGc4c104, BGc70579
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – BlitzWolf BW-GTC Smart Watch [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for BlitzWolf BW-GTC Smart Watch? There we go. The lowest price was: $16.
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)).