We offer 1 year Movement warranty, you can send the watch back to us if the movement doesn't work properly or stopped running, however We cannot be held responsible for water damage as there is no way of knowing whether you submerged your watch deeper than what was recommended by us in the product’s description.
We are not responsible for your return shipping cost to China. What we cover is movement repair under the one year movement warranty and return shipping back to your address by Airmail. However, the watch shall be returned at your expense.