Seiko 6139- repairing the damage hairspring.
5:49
Change of damaged hairspring Part 2 START wrist watch made from a junk
22:56
Hairspring straightening 101
24:27
A '75s Seiko Watch 6119 - Service, Polishing, Re-lume Hands
9:27
How to repair a twisted hairspring. Watch repair techniques
5:26
How to place your balance wheel easy and safe! Tips and tricks (5min)
19:15
Repairing distorted hairspring of a LeCoultre Cal. 1 movement
12:04
Straightening a hairspring for a ladies watch
25:18