Seiko 6139- repairing the damage hairspring.
45:02
Don't Do This At Home: Vacheron Constantin World Time Pocket Watch
31:26
Why is the Breitling Navitimer so legendary?
22:56
Hairspring straightening 101
16:47
Hair Spring Straightening (1974)
1:03:29
Hairspring Havoc: A 1973 Seiko Balance Repair & Service Journey
5:26
How to place your balance wheel easy and safe! Tips and tricks (5min)
5:49
Change of damaged hairspring Part 2 START wrist watch made from a junk
12:04