Understanding the Parts of a Watch

1.  Train bridge
2.  Third wheel
3.  Upper third wheel pivot / hole jewel
4.  Set lever screw (detent screw)
5.  Transmission wheel (Crown wheel)
6.  Ratchet wheel (Winding wheel)
7.  Barrel bridge
8.  Clutch wheel
9.  Winding pinion
10.  Set lever
11.  Stem
12.  Crown
13.  Yoke spring
14.  Setting lever spring ( set bridge )
15.  Yoke
16.  Upper forth wheel pivot / hole jewel
17.  Set wheel
18.  Lower […]