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They're both 10mm as you know. The threads are the same pitch/form/OD, but not the same length along the body (pultra is longer). Pultra (mostly) does fit Levin. Levin doesn't fit Pultra - the longer thread section I suspect would be an issue but the slot for the pin is wider on the Pultra collet so the Levin collect couldn't inserted. The Pultra collet is slight proud of the spindle nose when installed in the Levin - the large diameter is a little more than the Levin (meaning it fits but sticks out slightly, why I said mostly). The tapers visually look the same but before buying I'd try and find some documentation confirming the angle. Hope that helps

Oh, and the 3-jaw chuck is a Burnerd made in England. It’s really beautiful. It was a standard accessory with my Pultra. Can mount bezels, crystals, and just about anything in it.

some of my watches, mosty from Ebay

Every wheel and arbor in a watch must have endshake, or they will bind stopping then watch. The amount of endsahke must be enough to see with magnification, BUT should not be to excessive. The amount of end shake should be no more than half of the pivot length.

another Pultra owner! A fantastic little lathe.

Very cool - I also recently managed to perform a Timex conversion. Only this was to replace a quartz movement with a mechanical. This was done on the very popular J Crew re-issue of the 24 dialed "Sprite" produced from 1968 thru the late 1970's. Amazing at how well it all fit. Only challenge was to find the space that fits between the movement and the dial. As it turns out I just used another Timex part! Here now is a great 24 hour dial in all stainless case.

Good for you. I found clock movements far more interesting then watch movements. Much more goes wrong and far more to fix.

The lantern tool post is here: http://www.watchtoolsonline.com/Lantern-Tool-Post-for-Cross-Slide-8671.htm It’s excellent so far, and seemed like a good price. I bought the larger one and turned it down to fit the 11.5mm slot on my Wolf Jahn cross slide.

Hey, I have a bunch of extra space, happy to help you out! Schaublin 70 is so cool.

You, sir, have a lot of stuff... !

My wife bought me this Official Cosmonauts for me for our wedding 15 years ago. It was my Grail watch before I knew the term. The stem broke awhile ago. Eventually I decided to take it to Right Time in Denver. Fortis finally shipped the parts after a couple months and got it back yesterday. Oh how I've missed it! I am really digging it on this new black nato with matching satin stainless steel hardware (originally got this strap for my Lunar Pilot).

I use 9010 and D5 on Seikos mainly. I also have bottle of brandless clock oil. In a pinch I would go without the D5 but the 9010 is indispensable. rgds Anilv

Would certainly be cheaper that way. Boley has a combined staking tool with arm for jeweling. Think @Geohas one of those.

Sure thing! If not going the Horia route, then the Favorite is great followed by the Seitz. Good luck! Sent from my iPhone using Tapatalk