A7750 - stem seems to jam during re-insertion

[subzero1]

So, I had my SMP disassembled in order to get the glass ar coated. When I started re-assembling everything there was some resistance when re-inserting the crown. In fact it wouldn't catch and engage all the way in until I actually started to screw the crown down.

But now I notice a couple of issues - 1st, the crono buttons do nothing now. pressing them has no results, nothing stops, starts, or resets. 2nd, if I manually wind the watch using the crown, the rotor starts to spin like crazy. When I stop winding the crown, the rotor stops.

Any ideas on what the problem could be and how to fix it? I've got no problems opening the case & removing the movement, but am at a loss for what to do after that.

[andreww]

Did you remember to press the release button while inserting the stem?

[trunk21]

Sounds like the Keyless Works is goofed up. When you removed the stem, did you have the crown pulled all the way out? If not, it may need to be repaired...

I'm hardly an expert though...

[subzero1]

I thought it would just slip back in during reinsertion w/out the need to depress the release. How bad did I screw up the mvt?

[subzero1]

OK, got the chrono fixed, it was a small metal level that acts as a spring - it had slipped and it was just a matter of resetting it to fix the chrono function - woohoo!

For the crown, I removed it and used a more sturdy tool to depress the release button during re-insertion. That seems to have addressed the problem there as well. Thanks for the replies