0.90
822-770 Previous product4/6Next product
Mainsprings for wristwatches and pocket watches
Boley mainsprings are synonymous with high quality and reliability in watch technology. They are made from a specially developed, highly resilient material and are suitable for both wristwatches and pocket watches.
Properties
• Antimagnetic
• Corrosion-resistant (non-oxidising)
• Self-lubricating
• Low fatigue and durable
• Particularly break-resistant
name822-770
width0.90
Ø8,2
thickness0,102
length300
calibreJLC 822
item No.94400770822
