Movement not secure

Hi, - I’ve got a really lovely Expedition GMT. HOWEVER, if the watch is jarred or experiences moderate bumping, the movement will shift and either push the second hand too close to the crystal (which causes all the hands to stop (and me to be late)) or, push the movement too close the back of the case (which makes the automatic winder fail and I run out of energy). Any ideas how to stabilize the movement. None of my other watches do this when bumped or jarred (of course, my other watches were not assembled by me - lol).
Thanks!

That’s pretty weird. My first assumption would be the second hand isn’t pressed in enough and the stack is too ‘tall’. Can you confirm it’s pressed in? Is the case back screwed in tight enough that there’s no visible threading/gasket?

Thanks for that advice. I will dis-assemble and recheck. And report back.

Ok. Here’s where we are. The stack is and has been at the correct height (I can’t make the second hand lower). Also, the case back is fine and tightened properly. All I can figure is that the movement holder has just enough movement in the case to allow it to shift slightly forward when jarred such that the second hand touches the crystal, which is not domed on this particular watch set.

Hi Ashingler,

We are sorry to hear about the that! Could you please send this situation along with the video to info@diywatch.club for further investigation and resolution?

Will send today. Thanks.