Tourbillon mechanical watch video tutorial

1）Introduction of mechanical watches

 2 ）Designing the dial

3）Designing Moon Phase

4）Installing the dial

5）Installing the watch bottom cover

6）Lock the watch cover

7.1）Installing the Vegetarian Leather & Vintage Stitching Strap

7.2）Installing the Italian leather strap

7.3）Installing the Metal Strap

7.4) Installing a Milanese Strap

8）Instructions