Pam had forgotten all
about this one - it was not in her 'main' jewelery cabinet, but in a
seldom-used auxiliary box. Don't know it's provenance, exactly, but Pam
reckons she's owned it since the mid-80's. Pretty cool watch, I think,
in a retro sort of way!
The battery was dead, of course, so I broke out the watchmaking tools and.. was stumped! 
First I popped open the rigid plastic integrated bracelet, and studied the back side. There must be a way to access the battery from the rear, right? But no. It quickly became apparent that the metal case was a single monolithic casting, offering no access from the back. OK, so it's got to be from the front side! Scrutinizing the front, I expected to find some sort of release, at least a notch that allow me to pry off the crystal. Nothing!
I refused to believe that the unit was non-serviceable, though, so I wedged in the thinnest tool I could think of, an X-acto blade, and sure enough the whole module popped out the front.
They used a tacky, reusable adhesive which, thankfully, is not so agressive as to make removal impossible. Weird design 
but, OK, I'll buy it. Just wonder how many R & R cycles it can take before the adhesive gives up the ghost?
Anyway, we're back in business.. another watch rescued!
First I popped open the rigid plastic integrated bracelet, and studied the back side. There must be a way to access the battery from the rear, right? But no. It quickly became apparent that the metal case was a single monolithic casting, offering no access from the back. OK, so it's got to be from the front side! Scrutinizing the front, I expected to find some sort of release, at least a notch that allow me to pry off the crystal. Nothing!
I refused to believe that the unit was non-serviceable, though, so I wedged in the thinnest tool I could think of, an X-acto blade, and sure enough the whole module popped out the front.
They used a tacky, reusable adhesive which, thankfully, is not so agressive as to make removal impossible. Weird design but, OK, I'll buy it. Just wonder how many R & R cycles it can take before the adhesive gives up the ghost?Anyway, we're back in business.. another watch rescued!