Daini and Suwa Seikosha

As you might have noticed, there are two different logo’s used in the dial and on the case back of King Seiko and Grand Seiko watches. These logo’s refer to the factory where a watch was produced. One is the logo of the Daini Seikosha factory, the other of the Suwa Seikosha factory; the image here below gives a quick reference to which.

dainisuwa

How and what about these two factories is nicely explained in an article on Worn & Wound, you’ll find that article here: Daini Seikosha, the Other Seiko Factory

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