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Seiko Seikomatic Weekdater SGP40898 3001190 Calibre 400


the case back has a lot of failed opening attempts ...

In order to not add more damage to the case back, I glue a nut to it to open it easily





the day disc jumper spring is dislodged


























the barrel bridge is worn, and the barrel touches the bridge.Somebody has tried to solve the problem by punching the bridge, but that repair has worn out as well.

broaching the barrel bridge to fit a new bush

new bush put in place

bush soldered into place

bush broached

the barrel fits nicely now