Seiko — Other

Kinetic

This Kinetic is built around Seiko's 5M83 caliber, which converts wrist motion into stored electrical energy rather than winding a mainspring, distinguishing it from the family's automatics and plain quartz pieces. The 41.5 mm round stainless-steel case carries a black dial and a date complication…

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Seiko Kinetic SMY139P1
ReferenceSMY139P1
BrandSeiko
FamilyOther
Produced1980
StatusDiscontinued