Miyota Caliber 8217 21 Jewels

Miyota Caliber 8217

Miyota Caliber 8217 21 Jewels

BrandMiyota (Citizen)
Caliber Number8217
Base Caliber
Miyota 8215
Movement TypeAutomatic
Lignes11 1/2”’
Diameter
26mm
Height5.67mm
Jewels21
Vibrations Per Hour
21,600 bph
Anti-Shock SystemParashock
Power Reserve
40+ hours
Winding Direction
Uni-directional (left)
HackingNo
Lift Angle49 degrees
Stem065-212
Hand Size
1.52mm / 1.0mm / 0.17mm
FunctionsCentral hours; central minutes; central sweeping seconds; date at 3:00; 24 hr subdial at 9:00
Country of ManufactureJapan
Known Models
Too many to list… (add yours in the comments below)

The Miyota caliber 8217 is from the affordable 8 Series family of what Miyota refers to as “Standard Automatics”. Caliber 8217 is based off of 8215/821A framework with the addition of a 24 hour hand at 9:00.

What differentiates this caliber?

Aside from the hours/minutes/central seconds and date, this movement has a 24 hour subdial at 9:00.

Accuracy:

Miyota claims that the caliber 8217 offers accuracy of -20 ~ +40 seconds per day.

Citizen/Miyota:

Another movement that is similar is the Citizen caliber 4166.

Here is the 26mm Miyota 8217 movement in a 46mm Szanto Big Aviator watch:

Miyota Caliber 8217 Movement

The photo below is of a Miyota caliber 8217 found in this AVI-8 Hawker Hunter watch here.
Miyota caliber 8217

Rotor Action

https://www.instagram.com/p/Bph915FHz_r

More watches with the Miyota 8217:

Additional Resources:

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carl scutt
carl scutt
7 years ago

Have you ever known a more versatile and widely used movement then the Miyota caliber by Citizen? There are so many watches using this movement it seems like the default movement for any watchmaker creating an accurate, reliable, and super affordable timepiece.

Tomas Novotny
Tomas Novotny
6 years ago

I just bought Ingersol I02802 the Apsley and it is equipped with this movement from Miyota cal. 8217 after three days on my hand (also overnight) it gained 18 secs. against the atomic watch – amazing.

Nathan
Nathan
6 years ago
Reply to  Tomas Novotny

I also have an Ingersoll but it has a Chinese Seagull style automatic movement. I didn’t know you could get a Miyota in an Ingersoll. The will totally take their brand to the next level imho.

Ian done
Ian done
4 years ago

Pointtec use this movement in their “Zeppelin 24hr Automatic” 8668 watch

Jakub11
Jakub11
4 years ago
Reply to  calibercorner

Půl roku používám v hodinkách OOO a zatím naprostá spokojenost!!!

Vladyslav Nazarov
Vladyslav Nazarov
3 years ago

Miyota 8203 what is this movement? There is nothing written about this on your site.

Isaac
Isaac
3 years ago

I have the Bering 16243-462 with this movement only a 15sec gain in a 48 hr period and power reserve is accurate as well 41 has last time I left the watch without moving it.

Trent
Trent
3 years ago

My Boldr Wayfarer Khaki uses this movement. The rotor’s movement is very audible in daily life. It may bother some, but for me it adds a bit of character and serves as a reminder that I’m wearing a very sophisticated piece of machinery on my wrist.

Bernard Stefan
Bernard Stefan
3 years ago

I have a Iron Annie Pilotwatch from Pointtec made in Ruhla (Germany) with this movement and I love it. Single negative point is if I do not use it the time difference increases by 15 sec/day if I wear it the difference might be about 2 sec/day. So the watch wants to be weared otherwise its revenge is huge.

Rudgers
Rudgers
2 years ago

I have a Boldr Venture Auto with this movement. So far so good

Rob
Rob
2 months ago
Reply to  Rudgers

I just bought a Boldr Venture titanium sapphire, the noise is positive feedback when while winding and I like the watch for many reasons. Adding a date cyclops tho.

trackback
Presentación SYE MOT1ON Automatic 24 - SaFonaGastroCrono
2 years ago

[…] el capó equipa el calibre Miyota 8217 de Citizen, que como hemos visto añade una subesfera con indicador de 24 horas y la complicación […]

Ed Day
Ed Day
1 year ago

Just purchased an Areojet by Bulova with ths movemet. There are the Letters; CWMJ inscribed on the rocker after MITOYA JAPAN. What do these represent?

CWMJ
CWMJ
1 year ago
Reply to  Ed Day

Search is your friend: “You may see the manufacturer’s stock images with the letters CWMJ instead of the caliber number. This abbreviation stands for: Citizen Watch Manufacturing Co. Japan.” https://calibercorner.com/miyota-caliber-8n24/ .

Bo
Bo
1 year ago

Italian ‘Tecnotempo’ uses this movement in their ‘Dynamic Solar System’ model. The dial shows the sun in its center, with the hour- and minute-hand like sunrays. Surrounding the sun are 7 planets that turn with the seconds and the 24-hour sub-dial at 9 o’clock has the 8th planet, Earth, in its center that rotates with the 24 hours. This scene is further enhanced with a band of white asteroids (also moving with the planets). Is that a crazy concept? Not really cheap, this watch, but well executed.

Michael
Michael
5 months ago

I had a Miyota 8215 in a Pagani Design watch. For 3 weeks it gained only 2 seconds when brand new. Then it started to gain 6 seconds a day. I didn’t have the watch long. I sold it to get a Luminox 8895 (the black with red accents on the bezel and Dial w/ a sapphire crystal) The only thing wrong with the Luminox was a very cheap bezel. The Pagani Design was of very good quality which I didn’t expect in a $90 watch. I’ll take a Miyota any day over an NH35 even if it doesn’t hack.… Read more »

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