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Each of these urushi-lacquered Casio calculators took a month to make

Rob Beschizza
Mar 23, 2026
∙ Paid

Image: Casio

The Casio S100X The Special One is a “luxury” calculator featuring a traditional, hand-applied Urushi lacquer finish. Priced around $600, the limited edition of 650 were crafted by Ryuji Umeda of Yamakyu Shitsuki, a traditional lacquerware workshop based in Sabae, Fukui Prefecture. It has 12-digits on a high-contrast FSTN display and a 7-yea…

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