Hairspring straightening 101
18:34
Fitting a new balance staff to a vintage 1940s cyma www military watch. Repair series
12:04
Straightening a hairspring for a ladies watch
14:51
RELOJ DESPIVOTADO REPARACIÓN PASO A PASO
16:47
Hair Spring Straightening (1974)
14:04
Curso prático de relojoaria mecânica - roda de balanço e espiral [relojoeiro amador]
23:18
Hand Making a Verge Watch Hairspring. Pt.3
29:06
Como fazer a manutenção manual de uma mola principal de relógio
25:57