I’ve released a reproduction movement spacer for the H558-5000 “Arnie” Diver watches.
They are 3D printed and while slightly different from the original, fit just as well and solve the problem of the damaged spacer due to battery leaks.
I’m currently working on another version which will replace the plastic spacer as well as the metal plate, as that is also often missing or damaged due to battery leaks.
I currently have these available on the ebay store – https://www.ebay.com.au/itm/VTA-Movement-SPACER-for-SEIKO-Arnie-H558-5000-and-H558-5009-/291957409165?hash=item43fa04858d:g:lp8AAOSwEzxYPXno
Here’s the part at work –