Seiko - Sports Speed-Timer - 7017-6020 JDM 1100-series era) that has earned

1100-series era) that has earned the official COSC Chronometer Certification

uncluttered aesthetic that speaks volumes about its dress-watch intent

You are looking at a magnificent statement from the peak of Seiko's experimental era: the Seiko Advan

when Citizen was a part of the quartz revolution

though some variants require a harder push)

Seiko - Sports Speed-Timer - 7017-6020 JDM 1100-series era) that has earnedThis timepiece is a fascinating and collectible artifact from the early 1970s Japanese Domestic Market (JDM) part of the revolutionary era when Seiko helped define the automatic chronograph. This Seiko Speed Timer, reference 7017 6020, is technically brilliant because it houses the Caliber 7017A, a Daini Seikosha creation that featured a rare Flyback complication allowing the chronograph to be reset and instantly restarted with a single pusher press a