How a Seiko Arita Porcelain Dial is Crafted
A multi-stage
production process
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- 01Molding
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To produce the dials involves a challenging combination of skill, patience and artistry. First, the base material is put into a special mold which gives dials depth, especially in the version where the power reserve indictor is recessed into the dial with a deep cut.
The dials are dried and then fired for the first time at 1,300 degrees to harden and whiten the material.
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- 02Glazed/Fired
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Hashiguchi and his craftsmen then apply the glaze by hand, after which the dials are fired again, this time cementing the glaze on to the dial, a process which gives the dials their deep, rich finish and the subtle blue tinge.
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- 03Finishing
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Next, the holes for the date window and hands are cut by laser. Finally, the dials are then fired again to render smooth the surfaces that have been cut.