Seiko 6105-8110

There’s not much more I can say about the 6105-8110 that I haven’t said already, but it’s always worth featuring one if I have the time! This example from March 1974 came in for a service recently.

6105-8110

This must be one of the later horseshoe type caseback designs on the 6105-8110, they changed to a plain affair around about May 1974, possibly slightly later. I know by August the plainer casebacks were in production..

6105-8110

The movement looks very presentable, not too dirty just dry oils.

6105-8110

6105-8110

The dial and hands are in very good order.

6105-8110

The strip down begins….

6105-8110

6105-8110

6105-8110

It was soon ready for the cleaner.

6105-8110

6105-8110

Once cleaned and inspected nothing untoward was found so it was ready for reassembly.

6105-8110

Note the brass hacking lever under the third and fourth wheels.

6105-8110

6105-8110

6105-8110

6105-8110

Also of note is this is very late to have chamfered bridges, usually they were plain by this time. I don’t know if the fact that this is a Daini produced movement has any bearing on the chamfers, it needs more investigation I think!

6105-8110

Dial and hands refitted here.

6105-8110

Cased back up.

6105-8110

Ready for a few more years of service!

6105-8110

6105-8110

6105-8110

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