So you dont need to manual winding the watch under the normal case. 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. Please DO NOT PULL OUT the Button Underwater. Clean the strap by a soft cloth on regular bases is highly recommended. The item "Tourbillion Automatic Mechanical Men's Wrist Watches Luxury Swiss Men Wristwatch" is in sale since Monday, June 4, 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.