Power Wheels Magazine A Notch Above

A portmanteau is a blend of two words to form a new one. Seiko’s Diamatic model blended “Dia” from Diashock, Seiko’s exclusive shock-proof system, and “Matic” from “automatic” or the self-winding mechanical movement, which were two of Seiko’s significant engineering achievements of the 1960s and 1970s. For our Timepieces feature this Friday, September 11, 2026, we take a look at ...

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