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It is a fairly simple self-winding mechanism, but considered quite efficient. The rotor drives with a ex-center changer the reduction wheel directly and so works in both direction. This mechanism is durable, requires minimal maintenance and is almost never idle. It is perfect for everyday workhorse watches which the Seiko-5 name specialized in. The balance assembly of this movement consists of a screwless Glucydur balance, which is regulated by a short regulator arm with a simple scale, and a moveable hairspring stud. It is located in two inhouse Diashock bearings. A traditional swiss-type pallet anchor escapement is used; the center second hand is driven directly.
Item created by: Lethe on 2015-08-10 17:29:13
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