Queation - Seiko 5S21 movement

WatchMetrics

Hi fellow watch lovers.

I've been thinking about modding using a Seiko 5S21 movement. Does anyone own one those Seiko spirit watches and/or know the hand sizes? It seems like a cheap (possible?) way to create a custom smooth sweeping second watch... any advice on movement holders?

#modding #seikomod #movements
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