Seiko Prospex SSH169 Speedtimer GPS Solar Dual Time Chronograph Limited Edition Casio G-Shock S Series GMAS110F-1A To combine Seiko's solar technology

To combine Seiko's solar technology with GPS required years of painstaking and ground-breaking R&D which has resulted in no less than 100 patent applications

1MOVEMENT FC-718 Automatic movement

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Caliber number J290

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Seiko Prospex SSH169 Speedtimer GPS Solar Dual Time Chronograph Limited Edition Casio G-Shock S Series GMAS110F-1A To combine Seiko's solar technologySeiko Brand 100th Anniversary Speedtimer Limited Edition Seiko Brand 100th Anniversary Speedtimer Limited Edition. Inspired by Seiko's history of technical innovation over the last century, this exquisite timepiece is part of the first GPS Solar Chronograph Series in the Prospex collection. Available only in a controlled production run of 1,000, with the serial number engraved on each caseback, this exceptional watch showcases Seiko's legacy of