A quick question; what lubricants do you use on quartz movements? (Seiko 7548, etc). I've rebuilt a handful of C300s and I've got one that was literally soaked in WD40 that needs servicing (the previous owner sprayed the whole watch "liberally" with it to free up a stuck pusher which...
All, here is a detailed blog entry of a Grand Seiko 4520 service. Sadly it's not mine. Enjoy.