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Over those eight years of development, Casio realized that constructing the case out of multiple pieces of sapphire crystal, each grown from ingots over several months, helped it absord shocks more capably. The technique is similar to one used in traditional Japanese timber construction, where cannily designed interlocking parts mean that virtually no screws or glue are needed to hold everything together.
But for those of us who don’t quite have the money of G-Shock’s many…
