DAMAGED NWOT Aircraft Smart Watch Black

Damaged Aircraft/airplane/spaceship Smart Watch Black. I never used it, don't know what is wrong and don't have instructions. Good choice for a gift.  Watchcase Diameter: 40mm  Band Length(Included the case): 20cm  Watchband Width: 15mm  Package Included:  1* Wristwatch  Please allow 1-2cm differs due to the manual measurement!Thanks for your understanding.