WatchTech

WatchTech 101.1 - Motive Power A mechanical wristwatch has many different functional groups that are employed to fulfill different needs such as setting the time and keeping the movement clean and dry. The first major need is one that is often completely ...  

I am planning to work my way through all the parts of a watch including a little theory and visits to specialised manufacturers. Looking at all the constituant parts so we can better appreciate the whole. Starting out by learning more than you would like ... 

if so, I would have a bit more skin on one of mine. It was an 8-day spring, but still - amazing amount of power can be stored. Thanks for taking on this enormous challenge. Cazalea

You have achieved the perfect balance of technical completeness and comprehensibility.

Really enjoyed your post. Great work in laying out the fundamentals, really enjoy good technical writing. Looking forward to 101.2...3...4... In the interim, do you have any more force v turn graphs? They're quite rare and rather difficult for the neophyt... 

the mainspring in a cal. 551 produces 0.00000001 HP during the 46 hour run At least that's what some old promotional materials from about 1964 say A

That's seahorse power. :-) Regards, Jon

but never underestimate the power of a pregnant man! a