
The movement of the battery in our Seiko mantel clock has stopped working. The Seiko model needed to run my watch was around $30-$40 and I went with what I thought was an accurate replacement, but it wasn't. The size is almost perfect, but there was an alignment mounting hole that needed to be modified (drilling deeper). The original arrows from Seiko didn't fit these posts, but I was able to easily adjust the appropriate arrows with a corner cutter. Overall, I'm very happy with this device, including the changes I've had to make. To be honest I'm happy with it because I had to use some skills to get it working. For around $10, this Seiko watch will last for years to come.

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