December 19, 2012, 20:57
Patrick WallinTons of Horological calculations & information (FREE)
How strong is that MS or will it work if it fits the barrel? How many teeth are on this gear and how does their length affect the running of the watch.Anything you want to know about a watch or any calculation you need to make is in this website.
It is unbelievable! Just take a look.
http://www.martindalecenter.co...ulators4_2_Mech.html