Seiko 7S26A Complete Service   Background   I have a good friend, a brother in Christ Jesus, who I've known for many years.  He knows I've embarked on retraining myself for a new career in Watchmaking, and seen my first two restored watches.  He told me that his old faithful Seiko 5, which he's worn everyday for 12 years, has recently had issues.     Occasionally it will advance rapidly in time (up to an hour in a few seconds) and then just keep ticking away normally.  I told him I'd be