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Pro Trek PRW-51FC-1 and PRW-61FC-1 are deluxe models with sapphire crystal and composite band, PRW-51Y-1 is a standard model with resin band
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Plant-based bioengineering plastic "DURABIO邃「" has been adopted for Casio "PRO TREKツョ," a watch brand for nature lovers<br /> | News Releases | Mitsubishi Chemical Group Corporation
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