Eta Tissot C15 111

ETA Caliber C15.111

Eta Caliber C15 111

ManufacturerETA
Caliber NumberC15.111
Base CaliberSistem 51 (ETA C10.111)
Diameter14 1/4”’ (33mm)
Thickness5.77mm
Vibrations Per Hour21,600 bph 3Hz
Power Reserve72+ hours
Jewels19
Anti-ShockNivachoc
Barrel SpringNivaflex
Hacking CrownNo
Hand-Windable?Yes
FunctionsHours, minutes, central seconds, date
Country of ManufactureSwitzerland
Known Models
Tissot Gentleman Swissmatic, Tissot Everytime Swissmatic

The ETA caliber C15.111 automatic movement is made specifically for the Tissot Everytime Swissmatic and Gentleman Swissmatic lines (at least at the time of this post).

Sistem51 Roots

This movement is derived from the System51 robot-made movement in the Swatch Sistem51 watch. In addition to being machine-made, this movement is considered non-serviceable aka disposable. That means, it’s likely that Tissot (Swatch Group) is going to install an entirely new movement for each service instance, rather than replace necessary parts and oil, etc.

About serviceability, Deli on WUS says:

“No service on the movement AT ALL, whether it’s from a tissot watch or a swatch one. No rotor replacement, nor any regulation. The set spiral length is laser-cut, and the metallic balance is poised. You can’t adjust the rate, or add/remove mass on the balance. Tissot case parts (gaskets, sapphire, crown, etc) are serviceable though, in a classic way.” –post

In reference to the synthetic parts used, Tom-HK said:

“So the balance / escapement set-up is probably lifted straight from the Sistem51. Synthetic parts abound, but still a metal balance spring. Similar accuracy spec, too. Well, I hadn’t really expected a silicon balance spring at this price point, I suppose. Tissot need to be a bit wary of mentioning the ‘synthetic escapement’ bit (not that I have seen it prominently in any of their marketing for this model, to date), lest they inadvertently lead people to the wrong conclusion.” –post

From wornandwound:

“While the movement used in the Tissot Swissmatic is an adaptation of the Sistem51, brand representatives for Tissot explain that the current iteration was designed exclusively for Tissot. In this configuration, the mechanical automatic movement has a three-day power reserve. The components of the movement are manufactured and assembled by modules and soldered in Boncourt, Switzerland.” –source

Some watches with this caliber:

Extra Photos:

Eta Tissot C15

Eta Tissot C15 111

Let us know about your experience with the ETA caliber C15.111 Swissmatic movement below…

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Dan Finch
Dan Finch
6 years ago

I like my Tissot Gentleman for the money. It looks kind of like a budget Montblanc Timewalker! The movement is fairly accurate, I’m getting about -6 sec./day out of the box. Even though it says, “Swiss Made” on the outside, when I popped the case open I found “Tissot Hong Kong” stamped inside the rear bezel! Same thing with my Mido. I guess that’s how Swatch saves money on their lower end brands.

Xavier
Xavier
6 years ago
Reply to  Dan Finch

That is disappointing. I guess Swiss Made doesn’t mean much anymore.

Dan Finch
Dan Finch
6 years ago
Reply to  Xavier

You have to go up to the Longines level to get Swiss cases and mostly Swiss parts from the Swatch group.

dannyberrot
dannyberrot
5 years ago
Reply to  Xavier

….muchas marcas famosas hacen lo mismo, es cuestión de mercado y sobre todo de bajar los costes ..es la única manera de poder ofrecer buena calidad y continuar en el mercado con precios asequibles para la gente en el segmento joven contemporáneo …lo importante es que el control de calidad sea optimo,y lo es….la apuesta del grupo Swatch por calibres hechos por robots y calibrados con equipos de ultima tegnologia en fabrica es extraordinario, es el caso de la regulación de la marcha con láser , proporciona y asegura una presicion del mecanismo y de la marcha excepcionales de 4… Read more »

Steven
Steven
6 years ago

Is this caliber hand-windable?

Steven
Steven
6 years ago
Reply to  calibercorner

Thanks for the reply! Much appreciated. Winding anti-clockwise is a bit counter-intuitive…

rafsin
rafsin
6 years ago

well, i bought tissot v8 ref. T106.407.16.051.00 that uses this movement and I am fairly happy – it looks great and wears too, is 100m waterproof with date window. Still no one can except a good movement at this price.

David Johnson
David Johnson
5 years ago

For $268USD at .com it is a fairly good deal. I do like the look and feel of the TISSOT GENTLEMAN SWISSMATIC T098.407.36.052.01 which is one of my new acquisitions. If you pull the crown to set the time and move it slightly clockwise and counter clockwise, there is a bit of slop in the hands and the lack of hacking is disappointing. Otherwise just set it and forget it. The rose gold and Brown leather band look great together. I am still happy with the purchase.

watchhans
watchhans
5 years ago
Reply to  David Johnson

That´s exactly what I don´t like with this movement. In order to properly align the hands, I always have to turn them one minute ahead.
You can stop the movement by fully pulling the crown and very slightly turn it anti-clockwise until it stops. Then just release the crown on the second and set the correct time. It´s a little fiddly, but it works.

watchhans
watchhans
5 years ago

After the Swatch Group introduced the Sistem51 it was just a matter of time until this movement found it´s way to their lower brand Tissot.
And I fear this is not the end. Who is next? Certina? Or even Longines?
Probably there will be more models made by Tissot using this calibre.
When it comes to easily making money, the Swatch Group will be first in line.
Technically, this movement might be quite interesting and if they further improve on accuracy and perhaps a little in serviceability, it might be even more interesting.

EustonSquare
EustonSquare
2 years ago
Reply to  watchhans

Nothing wrong with that. They are a private enterprise and entitled to make money. Also we benefit. So bring it on.

Robert
Robert
5 years ago

As long as we are ok with robot made mechanical watches then why not just wear quartz? The reason I like mechanical watches is knowing someone put it together by hand.

Evan Setiawan
Evan Setiawan
5 years ago
Reply to  Robert

Hai, is it okay to put swissmatic to watchwinder? I have tissot V8 swissmatic

watchhans
watchhans
5 years ago
Reply to  Evan Setiawan

It is o k. But keep in mind that it is a unidirectional automatic, it only winds in clockwise direction.

Makis Theodoridis
Makis Theodoridis
5 years ago

Hi, I recently bought a Tissot V8 and I would like to know if there will be any damage to the mechanism if I hand wind it the wrong way

watchhans
watchhans
5 years ago

No.
There is a so-called Breguet-ratchet wheel that prevents damage to the movement when you wind it the wrong way.

Makis theidoridis
Makis theidoridis
5 years ago
Reply to  watchhans

Thanks

David Feng
David Feng
4 years ago

Hi everyone..i just got a Tissot t race swiss automatic watch, model#T1154071704100..it has the same movement ETA C15.111…it is windble on the counter clockwise (i didn’t sure about that until i saw this article)..and my only concern now is: when i set time,as it hasn’t hacking crown,the second hand doesn’t stop,but when i slightly turned counter clockwise to set it,the second hand just bounded a little.is that normal for this movement? Is the watch damaged? If it doesn’t,i should not turn it counter clockwise anymore?thank you for any answers with details…

Hans
Hans
4 years ago
Reply to  David Feng

Hi David! It is normal with any mechanical watch without a hacking function. If you slightly (very slightly!) turn the crown counter clockwise, you actually block the gear train of the movement via the cannon pinion. This cannon pinion is attached to the minute wheel of the movement via friction. This friction allows to set the hands. What happens when you SLIGHTLY turn or just hold the crown counter clockwise, you use this friction to stop the movement. The watch is not damaged. Just take care not to move the second hand counter clockwise all the way around the dial.… Read more »

David Feng
David Feng
4 years ago
Reply to  Hans

Thank you so much Hans!!now I am peace of mind!

Erick Catalan
Erick Catalan
4 years ago

Non-serviceable movement = quartz movement.
Not collectable. Bad idea tissot…

ra
ra
3 years ago

me parece que hay un engano al cliente al no decirle que el mov en cuetion es desechable y no se repara el cliente se pudiera sentir estafado y mas nunca comprara un reloj suizo pienso que perderan muchos clientes en el futuro , ademas realmente cuantos anos de vida util sin problemas garantizan en este calibre c151 .111 . por favor pueden responder a esa pregunta que no veo por ningun lado los tissot no son un rolex pero prsonas de bajos ingresos consideran a ese reloj suizo como su rolex y lo aprecian como tal y descubren que… Read more »

Erick Catalan Montes
Erick Catalan Montes
2 years ago
Reply to  ra

Es la nueva filosofía del grupo Swatch. el reloj no es desechable cuando lo llevas al servicio (si se esta atrasando mucho o la delta esta muy separada) el movimiento se intercambia por uno listo (calibrado y aceitado) para ser montado. Caro? Cuando lo lleve al servicio de acá unos 2 o 3 años postearé si vale la pena o nos timaron.

Victor
Victor
3 years ago

I own a Tissot V8 Swismatic. After all those bad reviews from people who does’t own a swissmatic calibre, I can tell you this: after I hacked the second hand (in old scholl fashion- slightly rotating the crown anticlockwise) and set time after my phone, the accuracy in 36h is +1sec. I think only Quartz movements beats that. So, I’m very happy with this calibre!

IMG_20210218_172631.jpg
israel ruiz
israel ruiz
3 years ago
Reply to  Victor

how many years have you been with the watch, i am thinking of buying one but i read the machine only last 2 or 3 years.

Victor
Victor
3 years ago
Reply to  israel ruiz

The Swissmatic V8 line from Tissot was launched in 2018. Many of the reviews claiming that this caliber only last for 2-3 years have been written since 2019 by people who have never owned a swissmatic V8, because they had nowhere to knows 1 year after launch that those watches do not last more than 2-3 years.

Eddie
Eddie
1 year ago
Reply to  Victor

I too own a V8. It’s only around 5 months old. My movement may work fine for a few days, and then decides to loose several hours per day . I have witnessed the second hand completely stopping, but will restart with a slight tap on the crystal. This happens even though the watch is hand wound every morning. I will be taking this in to my dealer for service. I’m really hoping they don’t give me the runaround.

Jon
Jon
3 years ago

I have two questions regarding this c15.111 movement, please: which direction should the crown be turned to wind manually (same as Swatch Sistem51 or opposite)? Which direction does the rotor wind the watch—cw, ccw or both? Thanks!

Erick Catalan Montes
Erick Catalan Montes
2 years ago

Poseo un reloj con ese calibre, mi recomendación es NO COMPRARLO, salido de caja estaba en (-5 a -7 seg/dia) 2 años después esta en (-15seg/día) no hay forma de calibrarlo y menos darle servicio. Mi orient Symphony II tiene mejor agrupación y es serviciable.

Erick Catalan Montes
Erick Catalan Montes
2 years ago

El c15.111 debe tener piezas irregulares y no tiene el mismo control de calidad que el calibre F6722 de orient.

C15.111.jpeg
orient Syphony.jpeg
T8T
T8T
2 years ago

My experience with the C15.111

It stop running after some three years of use.
It looks like the caliber is tired.
The rest of the watch is fit, and even the strap is still ok.
I wore the watch every work week, and in the weekend i wear free time watches.

Buwaneka
Buwaneka
2 years ago
Reply to  T8T

Hey my Tissot V8 swissmatic also stopped working after 3 years of use. did you service your watch?

Buwaneka
Buwaneka
2 years ago
Reply to  Buwaneka

i have not worn it more than 20 times TBH

Greg
Greg
1 year ago
Reply to  T8T

This watch is dissapointment in all. Russian (15€) and China (80€) watch are still working (after 20 and 5years). Tissot for some 400€ died after less than 3 years. Dissapointment.

But the Design (it is not common for Swiss designs to be of be so contemporary) design of this watch is just fabulose. Clean minimalustic design, Nato strap…

Does anyone know a movemant that could be used to replace C15.111? I’d put Japanese or any movememt if it fits?

T8T
T8T
1 year ago
Reply to  Greg

Hi Greg, I can agree for the fullest. A coincidence i check my mail and see you replied on this subject of the Tissot with the very difficult caliber which made as a thrown away product. I want to do the same, put it open and replace the caliber for a working Sellita or Eta automatic. Because it is my very first automatic watch ever, i decided i can not throw it away in a trash bin. It kept for three years time each day, so i felt it done right. But.. yes i aspected a much longer life. And… Read more »

Jerald
Jerald
1 year ago

Is this movement available in south India

Balland Nicolas
Balland Nicolas
1 year ago

Bonjour j’ai remarqué lors de la mise à l’heure que le mouvement c15.111 ne fait pas le stop seconde c’est-à-dire que l’aiguille des secondes ne s’arrête pas, est ce normal ?

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