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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[…] Parashock, the anti-shock system for automatic watch movements, helps protect the balance wheel’s pivots from damage in the event of dropping the watch or hitting it against hard surfaces. […]

Paul Munoz
Paul Munoz
3 years ago

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

Diego
Diego
1 year ago
Reply to  Paul Munoz

I had the same thought! You can drop everything from a helicopter, but how did the watches cope with the impact?
I found an article that says that only two out of 150 dropped watches had “issues” – but nothing about their accuracy…

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Ian
Ian
3 years 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 to show you don’t need to spend much to get a reliable little watch.

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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 […]

P.R.Satheesh
P.R.Satheesh
2 years ago

Informative, thanks!

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lamb
lamb
2 months ago

This is a fantastic site to learn about watches!

Andrew
Andrew
1 month ago

I wonder why, if the Parashock is so effective, Wolbrook/Douglas add Hexaflex rubber shock absorbers to their watches?

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