WS 19: Servicing a SEIKO Chronograph 6138

The case back is removed and we see the movement showing some dirt but in good condition. Note the specks on the balance assembly. But the movement looks good, it was obviously spared some of the typical atrocities local watchmakers tend to commit. Besides two wrong screws, a wrong stem and one wrong wheel, the movement was complete and original.

 

On the picture below, I simply turned the rotor 180 degrees to show you the side with the column wheel. The column wheel is just left of the inscription "SEIKO" on the automatic winding bridge.

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