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Visual Diagram of a Mechanical Watch Movement

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Visual Diagram of a Mechanical Watch Movement

 

 

Visual Diagram of a Mechanical Watch Movement

 

1.  Train bridge

23.  Lower escape wheel pivot / cap jewel

2.  Third wheel

24.  Escapement inspection holes

3.  Upper third wheel pivot / hole jewel

25.  Lower pallet arbor pivot / hole jewel

4.  Set lever screw (detent screw)

26.  Lower balance pivot/ cap jewel

5.  Transmission wheel (Crown wheel)

27.  Click

6.  Ratchet wheel (Winding wheel)

28.  Click spring

7.  Barrel bridge

29.  Upper center wheel pivot / hole jewel

8.  Clutch wheel

30.  Center wheel

9.  Winding pinion

31.  Balance cock

10.  Set lever

32.  Regulator

11.  Stem

33.  Upper balance pivot / cap jewel

12.  Crown

34.  Escapement inspection notch

13.  Yoke spring

35.  Hairspring stud

14.  Setting lever spring ( set bridge )

36.  Balance wheel

15.  Yoke

37.  Pallet bridge

16.  Upper forth wheel pivot / hole jewel

38.  Hairspring

17.  Set wheel

39.  Upper pallet arbor pivot / hole jewel

18.  Lower barrel arbor pivot / hole

40.  Pallets

19.  Minute wheel

41.  Escape wheel

20.  Mainspring barrel

42.  Upper escape wheel pivot / cap jewel

21.  Center shaft and cannon pinion

43.  Forth wheel

22.  Lower forth wheel pivot / hole jewel

44.  Hour wheel

 

Illustrations by Denis Carignan  ©2001


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