Hi All, new to the forum so apologies if this is in the wrong place..

I've seen numerous threads (pardon the pun) around peoples concerns over screw down crowns and Seiko's use of permanent epoxy/laser welding to secure the tube Into place.

The manufacturing method they use means that in most cases of cross threaded crown tubes, the service centre won't fix the case, they'll simply replace it.

If like me, you like the idea of a watch lasting several lifetimes, the thought of having a new...

Crown Tube Thread Repair