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・ Shockwave (comics)
・ Shockwave (disambiguation)
・ Shockwave (Drayton Manor)
・ Shockwave (Dreamworld)
・ Shockwave (G.I. Joe)
・ Shockwave (game portal)
・ Shockwave (Jet Truck)
・ Shockwave (Kings Dominion)
・ Shockwave (Six Flags Great America)
・ Shockwave (song)
・ Shock polar
・ Shock position
・ Shock probation
・ Shock Pulse Method
・ Shock Records
Shock resistant watch
・ Shock response spectrum
・ Shock rock
・ Shock sensitivity
・ Shock site
・ Shock stall
・ Shock stop
・ Shock SuspenStories
・ Shock System
・ Shock Tactics
・ Shock tactics
・ Shock the Monkey
・ Shock Theater
・ Shock therapy
・ Shock therapy (economics)


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Shock resistant watch : ウィキペディア英語版
Shock resistant watch

Shock resistant is a common mark stamped on the back of wrist watches to indicate how well a watch copes with mechanical shocks. In a mechanical watch, it indicates that the delicate pivots that hold the balance wheel are mounted in a spring suspension system intended to protect them from damage if the watch is dropped. One of the earliest and most widely used was the Incabloc system, invented in 1934. Before the widespread adoption of shock resistant balance pivots in the 1950s, broken balance wheel staffs were a common cause of watch repairs.
==Usage==
Virtually all mechanical watches produced today are shock resistant. Even divers' watches (according to ISO 6425) must correspond not only with such criteria as water resistance, luminosity, magnetic resistance and strap solidity, but also shock resistance.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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