In 2010, Kyocera announced that they have developed a special synthetic opal (Kyoto Opal) that will be applied to G-Shock’s new range of GLS5600 models.

The Kyoto Opal has been thinly sliced and cut to just 2.3 x 2.6cm for use in the watch.

These thinly sliced opal sheets will frame the LCD display decoratively.

The Black G-Shock model uses the “Karakurenai” Kyoto Opal while the Purple and the White G-Shocks are decorated with the “Gofun” Opals. They will shimmer and show varying colors depending on the surrounding colors.
According to Kyocera, the manufacturer of Kyoto Opal, a special process called Gem Synthesis Technology is used to develop the opal over a long period. The Kyoto Opal has an identical quartz-grain structure as naturally cultivated opals.

Other applications include automobiles and audio parts for Hitachi/Maxell.

You can google “Kyocera Opal” to read more.
Cheers!

The Kyoto Opal has been thinly sliced and cut to just 2.3 x 2.6cm for use in the watch.

These thinly sliced opal sheets will frame the LCD display decoratively.

The Black G-Shock model uses the “Karakurenai” Kyoto Opal while the Purple and the White G-Shocks are decorated with the “Gofun” Opals. They will shimmer and show varying colors depending on the surrounding colors.
According to Kyocera, the manufacturer of Kyoto Opal, a special process called Gem Synthesis Technology is used to develop the opal over a long period. The Kyoto Opal has an identical quartz-grain structure as naturally cultivated opals.

Other applications include automobiles and audio parts for Hitachi/Maxell.

You can google “Kyocera Opal” to read more.
Cheers!
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