Key Takeaways
1. The Casio S100X-JC1-U, named “The Special One,” is a limited edition pocket calculator with only 650 units made globally.
2. The calculator features a hand-lacquered aluminum casing with a glossy black finish, red trim on keys, and gold labeling.
3. It has a high-contrast FSTN LCD display with navy blue numbers for better visibility.
4. The key mechanism uses scissor switches for precise input and supports three-key rollover for quick typing.
5. Priced at 99,000 yen ($630), it is currently available only in Japan, with potential for international import through platforms like Zenmarket.
While Casio often introduces special editions of its digital watches, it’s quite uncommon for calculators to receive such treatment. The S100X-JC1-U, which Casio dubs “The Special One,” is a unique pocket calculator that is limited to only 650 units globally. The casing of this calculator is made from aluminum.
Handcrafted Excellence
The surface is hand-lacquered using a traditional Japanese technique, resulting in a glossy black finish that has a distinctive shine. Every key and the front panel are highlighted with a red trim. The buttons feature gold labeling. The display presents navy blue numbers against a nearly white backdrop, providing maximum contrast—Casio claims that the FSTN LCD is less reflective and offers better contrast than most pocket calculators due to its double coating.
Advanced Key Mechanism
The keys are fitted with scissor mechanism switches, similar to those found on most laptop keyboards. This design aims to ensure a precise pressure point and consistent resistance, whether a key is pressed in the center or at the edges. The calculator supports three-key rollover, so it can handle quick inputs without issue. The Casio S100X has a weight of 275 grams and operates on a CR2025 battery ($2.99 for a pack of 12 on Amazon), which Casio estimates will last for seven years with daily use of one hour.
The Casio S100X-JC1-U “The Special One” pocket calculator is priced at 99,000 yen ($630) and is currently available in Japan only. With only 650 pieces produced, it remains uncertain if it will be offered internationally, but customers can directly import it through platforms like Zenmarket.
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