Jahresuhrenfabrik Disc Pendulum 400 Day Clock

This 400 day clock with disc pendulum was made around 1900 – 1910. The brass base has a wooden insert. There is no suspension guard over the suspension spring, so I had to be extra careful in packing it for shipping.

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Repair job 5689. The movement is Horolovar back plate number 1471. The suspension spring is .004 inch thick thinned by 30 strokes of 600 grit abrasive paper. New 19 x 36 mainspring.

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