It may need to manual winding because of wearers physical activity energy insufficiency to operate the watch. Please take a control that turn the crown less than 20 laps. This is a great and useful gift. We are committed to providing the best products and services to our customers.We will try our best to make you satisfied! The item "Vintage Automatic Mechanical Tourbillon Calendar Men's Wrist Watch Luxury Steel" is in sale since Saturday, June 16, 2018. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches". The seller is "residostyle" and is located in Hong Kong, HK. This item can be shipped worldwide.