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So elliptical screws adjust how far in or out various pieces of the chronoworks go. They look like regular screws but dont come out, they are oval shaped at their base, and you turn them to depth components. So your manual will tell you which screws to take out, it's pretty obvious normally. they dont usually hold anything down.

That's a great starting movement! I recommend you take pictures every few parts you take off, and be careful not to turn the elliptical screws. That way if you cant remember how it goes, you have pictures to fall back to, even if you have a service sheet. Good luck! Chronos are my favorite!

As a rule of thumb. Thicker pivots use D5, thinner pivots use 9010. If it moves slow, D5, moves fast 9010. Automatics/smaller watches I lean towards more 9010. Big watches like pocketwatches get D5 everywhere except the escape wheel. Did you guys ever sort where to buy them? When I bought mine, I got tiny "sampler" sized bottles from a french ebay store, like $10-20 each, and they've lasted me years.

I'm very impressed... but have you tried searching on ebay for "pocket watch glass"? They only cost a few pounds to buy... Stuart

Great job. I stripped my friends down completely to do the repair as there was green decay in the movement Sent from my iPhone using Tapatalk

Welcome to this friendly forum. Lots of info on here and many members only to willing to help so enjoy yourself.

Good job! Sent from my SM-G925T using Tapatalk

welcome Joe

Yep good screwdrivers not cheap charlie Wanger's loupes tweezers movement holder pegwood something to clean parts with good light so you can see what your doing Rodico oils and grease the list goes on and on and on but once you've got it it should last you a while its just the initial cost and theres always something else you need its never ending but there's nothing like dismantling a movement cleaning the parts putting it all back together oiling it then add the balance and watching it spring to life that watch now has a heartbeat and will live again.