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Hi all i have tried heating the parts withba hairdryer after my 2nd rinse, and I am pleased to report that the results were great, no residue! The wife will be looking for her hairdryer now! thank you all for your responses and advice

Flightmaster it is....

Alan Garrett is a UK resident/blogger/researcher on the origins of Russian watches. Interesting read for those with a thirst for historical watch knowledge. http://birthofsovietwatchmaking.blogspot.co.uk/

My instructor tells me never to do the delicate work when I'm tired.

In addition to my collection, another Vostok with a repaired 2416b movement. Current Beat Error 0.1 ms and a daily rate - 1 s/d. The dial is not where I go wild about, however, it's the first white dial I get black-hands to work clearly visible. The 2nd hand housing is of a Komandirskie which takes the thicker 2416b automatic movement. When time, I may give the case a Nickel re-plating due to some marks / scratches........

The over coil section should sit between the pins. See here... https://books.google.co.uk/books?id=Bl4tAgAAQBAJ&pg=PA238&lpg=PA238&dq=practical+watch+repairing+fig.+239&source=bl&ots=XHXISiMbSt&sig=LHmrPaeN6sr0VWqWt67bwW-Lbj8&hl=en&sa=X&ved=0ahUKEwiJvIrC77nPAhWLAMAKHRnMC90Q6AEIGjAA#v=onepage&q=practical watch repairing fig. 239&f=false

Thanks rogart63. I'll start searching today. I'm not highly concerned as I already know where the eccentrics are located and how to adjust the chrono finger and jumper as needed. A walkthrough is one way to keep me from over reaching and going too fast. I have made mistakes born from overconfidence.

Lemania 1872 is an other movement you could look for? Only two subs but almost the same movement?

My fault as i didn't read the whole thread.i thought is was a walkthrough? As you say i can't see anything about either the 861 or the Lemania 1873? Have you search the net for Tissot cal 27? Same same but different. The only services with pictures i can find is watchguy.co.uk . He has done both Lemania and Omega and Tissot.

Ooh you've got an L&R with the ultrasonic clean- I must admit some envy! I've got an old L&R that's simply the three bottles, forward/reverse, and a heater/dryer. Here's my input- I have a separate ultrasonic cleaner so what I usually do is put all of the parts in the basket and do an ultrasonic clean before setting the basket up in the L&R cleaner. The balance I'll usually leave attached to the cock and the cock screwed to the bottom plate. This secures the balance during its wash in the ultrasonic cleaner and generally prevents damage to the balance or hairspring. Often, if I'm working on an older piece that doesn't have shock protection I'll remove the balance completely and clean it in One-Dip instead of running it through the cleaner. Small screws are usually stowed away in a separate basket although the large basket has small compartments that could accommodate them. I just feel safer when they are in their own basket container. The pallet fork and cap jewels I'll also secure in their own basket container. I'm just a little cautious when it comes to really small or delicate parts. I also try and separate the steel parts from the brass ones so that they won't rub on one another during the clean. The basket is steel so it probably doesn't make much of a difference but I always think they come out with more scratches than they went in with! This is the method that works best for me. I have discovered that screws can sometimes go missing but typically they are just hidden in the basket and appear under the loupe.

My turn to show you the almighty Flightmaster!

I serviced this little guy a while back . It came in a watch lot . One lug hole is broken and it has an 800C movement .

3 nice Helvetia's in a week ,....not bad . I went searching when you posted the Cal 64 .

Correct, you need to measure the tube (outside diameter) where the crown inserts (case side). You will also measure the clearance where the crown will eventually sit (case side). Finally you will eye ball (with the help of the caliper if you would) the height (thickness?) of the crown or to be more specific, how much would it, once seated in its normal watch wearing position, will it protrude. Eventually you will find a standard crown (water proof) that will fit the dimensions you come up with plus or minus...not really exact. Esslinger makes the choice a little easier because of the way their page is structured so that would be a starting point to check on dimensions. Afterwards you can order from your preferred supplier. I would go by the ones without post (fail safe) unless I know the diameter of the post will fit the tube (inner diameter of tube).