Parashock Citizen Miyota

Citizen/Miyota Parashock

Citizen Miyota Parashock

Parashock is the name of Citizen Watch Company’s proprietary anti-shock system for mechanical/automatic watch movements. In technical terms, it is a spring-loaded mounting system for the jewel bearings that support the balance wheel. Anti-shock devices help protect the balance wheel’s pivots from damage in the event of dropping the watch or hitting it against something hard.

This technology was first introduced in 1956. As Miyota and Citizen are one in the same, you will also find Parashock technology in Miyota and HMT calibers. Perhaps as a competitive reaction to Seiko’s Diashock system, Citizen went through extreme measures to introduce their Parashock equipped watches to the market:

“Our first shock resistant watch was called the Parashock. In 1956 in order to prove its durability the watch was dropped from a helicopter 30 meters above the ground in 11 different cities” -Citizen Watch Co.

Examples of watches with “Parashock”

If you have anything to add about “Parashock” please post in the comments below…


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Paul Munoz
Paul Munoz
10 months ago

how did the watxhes fair that were dropped by citezen just curiose as to how well the anti shock actually worked

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Ian
Ian
9 months ago

I bid on a HMT vijay on ebay Indian seller I paid £9.50 seller said it was serviced. Anyway the watch arrived it was a bit scuffed so I cleaned the case with autosol and crystal with brasso wadding and looks like new the watch keeps very good time I replaced the strap that was 5 yrs ago I have worn it every day since I feel sort of attached to it now. It goes… Read more »

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[…] can be enormously impacted. Nowadays shock resistance is implemented in most mechanical movements. Parashock is the name of Citizen Watch Company’s proprietary anti-shock system for mechanical/automatic […]

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