Mechanical watches are driven by energy that stores the tensile spring and then gradually releases to move the hands Existing inside silver finely brushed with logo polished indexes on silver -matted background "This product is subject to differential taxation. Therefore, the sales tax included in the purchase price is not shown separately on the invoice." If item descriptions contain material information such as gold or platinum, the corresponding pieces of jewelry have been stamped accordingly and checked for their precious metal content. We can therefore guarantee you the authenticity of the materials specified. You can view the goods in our store at any time (please register by phone in advance). You will receive an invoice for your documents that documents the authenticity of the mate.