WS 22: Servicing a SEIKO 7005 including replacing the balance

I was happy to see a movement in decent overall condition after removing the rotor. The rotor can easily be removed using the largest (normally 2 mm wide blade) screwdriver in a watchmaker's screw driver set.
Let us have a closer look at the magic lever on the next page, as this is probably one of the most ingenious invention for a simply yet stunningly efficient bi-directional automatic winding system

Please click on the last picture to read on >>>