Spring Drive
id:
spring-drive-276-18423871
title:
Spring Drive
text:
Spring Drive is a name given to a series of watch movements produced by Epson in Shiojiri. The concept of using a mainspring to power a quartz timing package was first conceived in 1977 by Yoshikazu Akahane at Suwa Seikosha. Specified to one second accuracy per day, the movement uses a conventional gear train as in traditional mechanical watches, but rather than an escapement and balance wheel, instead features Seiko's Tri-synchro Regulator system in which power delivery to the watch hands is re
brand slug:
wiki
category slug:
encyclopedia
description:
Hybrid (mechanical and quartz) watch movement
original url:
https://en.wikipedia.org/wiki/Spring_Drive
date created:
date modified:
2023-12-10T04:17:54Z
main entity:
{"identifier":"Q17054940","url":"https://www.wikidata.org/entity/Q17054940"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/b3/Seiko_Spacewalk.JPG","width":3008,"height":2000}
fields total:
13
integrity:
15