No. 1731 ~ COMMIT Column ~ Dr. Ito's thorough analysis of mechanical watches!! Vol.4 ~ What is the difference between a mainspring and a hairspring? ~

Hello!

This is Kaneko from Commit Ginza!

Today we will be introducing Vol. 4 of Dr. Ito's thorough analysis of mechanical watches!

Information on movements, how to use complicated watches, and daily maintenance, etc.
We provide a variety of information that not many people know about !

This is a very informative column, so I hope you enjoy it!!

COMMIT Column ~Dr. Ito's thorough analysis of mechanical watches!! Vol.4 ~What is the difference between a mainspring and a hairspring?~