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Seiko Caliber 9t82

Seiko Caliber 9T82

Seiko Caliber 9t82

Manufacturer Seiko
Caliber Number 9T82, 9T82A
Type Kinetic, self-winding
Capacitor Part Number
Unknown (see below)
Power Reserve
1 month (see below)
32,768 Hz (cycles per second)
Driving System
2 part step motor
Functions Hours, minutes, central seconds, 1/10 seconds chronograph subdial, 6 minutes chronograph subdial, 12 hours chronograph subdial, date
Hacking Seconds?
Country of Manufacture Made in Japan
Known Models Seiko Sportura: SLQ001, SLQ003, SLQ005, SLQ007, SLQ009, SLQ011, SLQ013, SLQ015, SLQ017, SLQ019, SLQ021, SLQ023, SLQ025 (Please add your watch in the comments below…)

The Seiko caliber 9T82 (actually marked 9T82A) is a kinetic movement found in Seiko Sportura chronograph watches. This 38 jewels movement is hand-finished and assembled by Grand Seiko level master watchmakers at the Shinshu Artisan Time Studio in Japan. If Seiko wanted the Grand Seiko or Credor names to be associated with a kinetic movement, this would be the one.

Is it an Automatic or Quartz?

The caliber 9T82 is a kinetic hybrid movement. Although it has a rotor that makes it look like an automatic movement, and a battery-like capacitor which stores the energy, it is not categorized as automatic or quartz. Imagine a self-winding automatic movement, but instead of winding energy into a mainspring, the kinetic movement winds energy into a capacitor (also referred to as an accumulator). Seiko refers to this as a Kinetic E.S.U aka electricity storage unit.

Charging the Watch:

Kinetic energy is transferred from from the rotor and stored in the capacitor. The way to achieve this is to swing the watch from side to side. Seiko states that it takes about 200 swings to get the watch charged enough to run normally for one day. If your watch is not charged, do this swinging process to get your watch started before wearing it.

Continuous wearing will add more energy to the “Kinetic Electricity Storage Unit” (Seiko’s fancy term for capacitor).

It is not recommended to set the time/date until the watch is fully charged (see more in the Hacking the Movement section below).

Power Reserve:

A full charge on the caliber 9T82 will last for approximately 1 month. The chronograph function uses a lot of energy, therefore the power reserve quote is based on using the chronograph less than 3 hours per day.

“Wearing the watch continuously for 12 hours will accumulate approximately four additional days of power reserve. If you wear the watch every day for 12 hours a day over a week, for example, the watch will be fully charged.” -Seiko manual

The length of power reserve you get out of a full charge also depends on how much you use the chronograph. Seiko states that the 1 month quote is based on using the stopwatch for less than 3 hours per day. In other words, the stopwatch/chronograph drains the energy faster.

If you watch is indicating a low charge warning by ticking at two-second intervals, the power reserve is reduced to approximately 12 hours.

Hacking the Movement:

The caliber 9T82 does have a hacking feature (the second hand stops when the crown is pulled out to time setting position), however, unlike many quartz or mechanical watches, this will not reduce the energy consumption or pause the power reserve from running down. Seiko warns that hacking the movement actually has the opposite effect on the movement.

“Do not pull the crown out to the second click with the intention of stopping the second hand just to save energy. By doing so, a large amount of current flows through the built-in IC. Therefore, pulling out the crown to the second click will not save energy but, in fact, consume more energy than usual.” -Seiko

Low Energy Warning:

The 9T82 has a low energy warning which will cause the main second hand to jump every 2 seconds. When this begins to happen, the watch is telling you that 12 hours of power reserve remains. As mentioned above, using the chronograph will dramatically reduce this time.

“The watch remains accurate even while the second hand is moving at two-second intervals.” -Seiko manual

Watch Not Holding Charge?

If your watch seems to constantly be stuck in low energy warning mode, or if your watch is not functioning at all, then it most likely needs a new capacitor installed. It’s time for a service.

Editor’s Note: From experience, allowing your 9T82 powered watch to be repeatedly depleted seems to cause the capacitor to stop storing energy faster then normal. If you have an SQL with this movement, wear it often!

 Service and Capacitor Replacement:

Seiko’s service price for the caliber 9T82 starts at $735 USD. This is a base price and does not necessarily include any other parts or overhaul processes that need performed to get your watch up and running. The high cost is partly due to the fact that all 9T series movements must be sent to Japan for servicing.

Furthermore, the capacitor for the caliber 9t82 is not available for sale. Unlike most kinetic watch capacitors which can be purchased on Amazon, the 9T82 apparently uses a special capacitor which Seiko does not provide to parts accounts or service centers outside of Japan. It has been rumored that since the 9T82 was released, Seiko has updated the performance of the capacitor they use (though, this claim has not been confirmed). They won’t even disclose the part number anymore and it it not written on the capacitor itself.

Should you get someone else to do the job?

If your 9T82 needs serviced, you may have a difficult time finding a watchmaker who will be willing to work on it. Sure, there are watchmakers that can figure out a cell that will get your watch running, but it’s highly recommended to have Seiko do the job with the correct part number. You wouldn’t want anything to get fried in your cool SLQ!


Seiko claims that the caliber 9T82 will maintain accuracy of less than +/- 15 seconds per month at normal operating temperatures of about 41F to 95F.

Replacement Price:

This movement does not have a replacement price because it is not available for purchase. For parts or repair, you will either have to find a used model for sale or send it back to Seiko.

9T82 Image Essay:

Caseback from a Seiko SLQ009: “Seiko Corp. – J Japan Case”

Seiko Slq 9t82 Caseback

Rotor still attached…

Seiko Slq 9t82 Movement

9T82 with the rotor removed…

Seiko 9t82 Movement Rotor Off

Macros of the Grand Seiko level hand finishing (more images coming)…

Seiko 9t82 Movement Finish 2 Seiko 9t82 Movement Finish 1

It’s a complicated and intricate design, not like other kinetic movements. Do you still want your local watchmaker to work on your 9T82??

Seiko 9t82 Movement Disassembly 1 Seiko 9t82 Movement Disassembly

Editor’s Comments on SLQ Watches:

The caliber 9T82 powered SLQ family of watches were introduced before Grand Seiko emerged in the international market around 2010, and Seiko anything really wasn’t getting the attention and respect it gets from watch enthusiasts today. Most of the folks who purchased these pieces thought it was just a funky watch and didn’t realize what they had. Seiko produced 13 SLQ modesl (all with odd number reference numbers), and there aren’t many in existence compared to the volume we’re all used to seeing with typical Seiko production. Over the years, speculation has been 500 up to possibly 2,500 pieces produced per model. By now, most of the unserviced SLQ watches in the world do not have the capacity to hold a charge, and few people are willing to send their timepiece in for service at a minimum cost of $735 USD. These pieces end up being stashed in the back of a dresser drawer when they can’t find someone to change the “battery” for cheap. Some also end up being listed for sale, but most are in need of a capacitor or have other issues – bear this in mind when you see a SLQ watch posted for sale on eBay or forums, without proof of a Seiko service, they almost always will need worked on, so mentally add at least $735 to any price you’re about to pay to acquire one.

So, you want to know: is it worth it to pay for the official Seiko service?

Today, even non functioning SLQ models are fetching thousands of dollars and the value of these pieces keeps increasing due to limited supply/desirability. Keeping your SLQ maintained and running will pay off in the long run, not to mention they are incredibly cool watches (especially the SLQ007 alien and SLQ009 unicorn). Yes, get your SLQ serviced the proper way and enjoy it!

Conclusion: Avoid buying watches with this movement unless they include proof they were sent to Japan for a complete service. You will see them listed as “works well” and “running”, but if the seconds hand is skipping then there is a big chance the capacitor needs replaced, which means the watch you’re buying on eBay will cost you at least $1,000 more and you won’t be able to enjoy it for about 6 months!


  • Seiko Sportura watch (from the pics above) was sent to Seiko USA for service 9/21.
  • Although Seiko lists the starting price for servicing a 9T82 at $735 USD, plus a $35 shipping fee and sales tax. Right away there was a “handling” charge of $150 plus tax. They said the handling charge is for shipping it to Seiko in Japan. When questioning that we already paid for shipping to Seiko USA, why should we also have to pay Seiko USA to ship to Japan, they said it is for customs too. There should not be customs for a return/repair shipment. Paying $150 for Seiko to send it to their own facility does not seem like a reasonable price, especially since they probably send batches of multiple watches at a time, further reducing their own shipping expense.
  • When requesting a case/bracelet refinish, they said they cannot refinish this model. They offered a new case replacement at the price of about $1,500, but the bracelet would not be refinished to match the shiny new case, so that offer was declined.
  • So far, the total base charge for the capacitor service is costing $975.00 USD + cost of shipping to Seiko. That is unless they find something else that they want to repair as well, then it will cost even more.
  • The fees cover the following: “Includes complete service of the watch movement, fix or replace necessary movement parts, replacement of gaskets, battery or ion cell, re-sealing, testing, any necessary lubrication, and cleaning of exterior parts.”
  • As of 6/22 the watch is still being serviced.

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4 years ago

I have a SLQ003 with the 9T82

2 years ago

Watches with this movement are so expensive. Might as well be a grand Seiko.

James Coates
James Coates
2 years ago
Reply to  Devon

That’s because it is a Grand Seiko for intents and purposes. Didn’t you read the article up above?

2 years ago

This movement is on cool watches but it cost so much for service! Eventually it will need serviced and it has to ship to Japan. Be prepared to spend $1k or more and wait 6-12 months at a minimum.

2 years ago
Reply to  None

Also want to add that if you find a watch with recent service receipts it’s worth it to pay a higher premium for the watch. Only if it was serviced from Seiko with a new capacitor though.

List of Seiko Watch Movements Watch Movement | Caliber Corner
1 year ago

[…] 9T82 […]

7 months ago

How to change capacitor in seiko 9t82?

Sporty Tura
Sporty Tura
2 months ago
Reply to  Shavez

How to read?

Seagull Caliber St19

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