Using this watch is easy. Just put it on your wrist and fasten the buckle. To set the time, gently pull out the crown and turn it to adjust the hour and minute hands. Since this watch is not waterproof, don't wear it when swimming or washing hands. Keep it away from water to prevent damage. For maintenance, wipe the watch with a soft cloth regularly to keep it clean. If there's any problem with the movement, it's best to take it to a professional watch repair shop.