Repairing tooth of minute wheel. 歯車の入れ歯

Repairing a mainspring. ゼンマイのリベット止め

Removing the Etachron Hairspring Stud: Tips and Tricks

Fitting a New Pinion to an Old Wheel

Setting lever jumper 裏押え作成

Replacing ALL the teeth?!

Hairspring removal tool

Hairspring straightening 101

This SIMPLE TRICK Changed Everything for me

Hand Making a Verge Watch Hairspring. Pt.3

How to repair a bent hairspring watch repair tutorials

Restoring a Vintage Cylinder Escapement Pocket Watch: Overcoming Challenges to Get It Ticking Again!

#026 - Re-colleting a wheel from a late eighteenth century clock using traditional repair techniques

Screw for setting lever オシドリネジ作成

Winding stem ① 巻真別作

Hairspring③ Making a breguet hairspring. How to make a over coil.　巻き上げヒゲの作成

Jacot Tool - Richard Edwards @ EFHC

Replacing the Balance Staff in a Balance Wheel

What is a Jacot Tool and How To Use it?

Turning a balance staff for a watch or clock - part 2