Tag Heuer Cal Th20 22

TAG Heuer Caliber TH20-00

Tag Heuer Cal Th20 22

ManufacturerTAG Heuer
Caliber NumberTH20-00, TH 20-00
Movement TypeAutomatic, self-winding mechanical, chronograph
In-House?
Yes
Jewels
33
Beat Rate
28,800 (4Hz)
Lift Angle
Unconfirmed
Power Reserve
80 hours
Rotor Style
Ball-bearing
Rotor Winding Direction
Bidirectional
Hand-Windable?
Yes
Anti-Shock Device
Kif
Hand Count6
FunctionsCentral hours; central minutes; central chronograph seconds;  small seconds at 6:00 (60 seconds); 30 minutes chronograph counter at 3:00; 12 hour chronograph counter at 9:00; date at 12:00
Hacking Seconds?
Yes
Country of ManufactureSwitzerland, Swiss made
Known Models
TAG Heuer Carrera Chronograph (Refs: CBS2210.FC6534; CBS2212.FC6535)

The TAG Heuer caliber TH20-00 is an automatic column wheel chronograph movement. Watches with this caliber were introduced on March 27, 2023 at Watches and Wonders 2023 in Geneva.

In Tag Heuer’s own words:

“Enhanced by elegant finishings, the in-house movement Calibre TH20-00 automatic integrates an ultra-efficient bidirectional mass geared for radical precision.” –Source

Caliber TH20-00 VS Heuer 02:

The calibre TH20-00 is considered an upgrade from the previous Heuer 02.

Both are in-house movements, but there are some notable differences. For example, the Heuer 02 has a unidirectional rotor, whereas the new TH20-00 has a bidirectional rotor. Some TH20-00 powered watches have a date window at 12:00, but others have it in the same 6:00 location as the previous Heuer 02 watches.

The manufacturer’s warranty on the new TH movements has been increased from 2 years to 5 years.

Also important to note is the change in naming convention for the new caliber. The previous “Heuer 02” was redundant, especially when sites like Caliber Corner would mention the TAG Heuer Heuer 02. Not good for SEO or preventing caliber confusion. Luckily, they caught onto that and gave this new movement a proper caliber number.

Evolution from the Heuer 02:

This page from TAG discussed the evolution from the Heuer 02 to the TH20-00 – but, be forewarned, it is a confusing read and it’s hard to tell if they are talking about the Heuer 02 or the TH20-00 in most of the sections.

“How can one improve a movement that’s already extremely well-made? For nearly 6 months, the Calibre Heuer 02 was analysed down to its smallest workings and observed in the field, in order to identify as precisely as possible any areas that could be improved. These invaluable observations led to strict development specifications. After two years designing it, three key developments emerged.” -A new era for an iconic calibre: the Heuer 02 movement evolves (linked above)

The same article goes on to say:

“The finest example that exists of automatic watch-making, the Heuer 02 movement stands out thanks to its impressive battery power. Most watches on the market can keep going for between 40 and 50 hours without being worn, but the Heuer 02 movement lasts 80 hours.”

Battery power? Who wrote this?

Rotor Text:

The rotor on the cal. TH20-00 features cutout in the shape of a TAG shield logo. The text reads: TAG HEUER / TH 20-00 THIRTY-THREE (33) JEWELS SWISS

It is interesting to note that although TAG Heuer writes the caliber number as TH20-00 on their product pages, the rotor in at least one of their stock pics looks like there is a space between TH and 20. Maybe they changed this at one point but forgot to notify their graphic designer of the changed. Often times, the brands themselves cannot even stick with one official way to write a caliber number!

Tag Heuer Caliber Th20 22

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Caliber Comments:

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Paul
Paul
1 year ago

Is this movement COSC certified? TAG don’t shout about it on their website (but they do about the Heuer 02 in the fly back Autavia), so I guess not, but does anyone know it’s claimed accuracy

E
E
1 year ago
Reply to  Paul

I have a 2023 Monaco with this exact calibre, bought in July. The accuracy is unbelievable. I wear it most days and leave it 9 down overnight (the only logical resting position). It runs at +1 sec per week. Not day, week. At first it was plus 3-4 per day, but after a month it started getting better and it settled on this. I tried leaving it dial down, up and even 3 down. It negatively affected the accuracy. 9 down, wearing it daily and handwinding it when not, is the way to go, at least in my case.

DRodge
Member
9 months ago
Reply to  E

How’s that accuracy holding up now? Going to pick up my Reverse Panda next month, very excited and the movement seems like a gem!

DRodge
Member
8 months ago
Reply to  E

So I can now update I took ownership of my Reverse Panda Glassbox 4 days ago and accuracy when fully wound is at +3 seconds a day with the crown up, no COSC certificate but going off of what the movement is achieving on day 1 I’d say it’s completely unneeded. Despite the closed off automatic winding bridge the escapement is so open you can see the running seconds gear running straight off of the escapement wheel, really love the openness of the movement and the vertical clutch and column wheel being so exposed, same as the Heuer 02 I… Read more »

DRodge
Member
4 months ago
Reply to  DRodge

Coming up to the 5 month mark and another big update it’s hitting +1 second a day, I’m quite amazed at the accuracy when it’s well wound but I will say I’ve had it run close to out of power and if I catch it before it stops it can lose 10 seconds without issue, not a problem just something I’ve not noticed on my Calibre 5 as that’s gone past 41 hours and this usually survives the long wait between wears. Pusher feel is fantastic, the initial snap engaging the chronograph and the sound is ace, really positive and… Read more »

JORGE
JORGE
5 months ago

Yo tengo ese movimiento en un Mónaco, ESTOY SUPERCONTENTO con el glamour que desprende ese reloj , y ante todo con el movimiento tan bonito y EXACTO que tiene, es un lujo total. lo de las 80 horas de reserva le hace buena falta sobretodo si tenemos en cuenta el alto consumo de energía que supone el poner en acción el cronografo.

David
David
4 months ago

Any anti-magnetic qualities? Does this use a silicon balance spring?

DRodge
Member
4 months ago
Reply to  David

It does not but don’t let that put you off, magnetism isn’t a big evil monstrosity out to murder our movements, the influences you’re likely to encounter will make no difference to accuracy and will not magnetise your movement. If you leave your watch on top of a massive speaker driver and do then notice the timing go out of spec then the good news is a £10 demagnetiser will fix all your woes and it takes a few quick presses of a button. The whole anti-magnetic argument is pretty silly all round unless you’re working in a high gauss… Read more »

Ces
Ces
1 month ago

As of December 2024, most of the TAG Heuer Monaco models shown on the manufacturer website show pics of the movement stamped CA HEUER02. The most expensive Monaco’s listed there, so not show or list their movement. I just acquired my first Monaco. Special Edition GULF reference number CBL2115.FC6494. It has the CA HEUER20 movement inside. It is preowned but in “as new” condition. It’s currently keeping about +2-+3 seconds a day accuracy. Honestly I’m a bit confused about when these movements changed or evolved and where are they used now? Because they don’t appear to be in the current… Read more »

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DRodge
Member
1 month ago
Reply to  Ces

There’s certain models that are still on a slow burner to move over to the TH20 updates but don’t worry the H02 is an exceptional movement and all you’re really lacking is bi-directional winding. Even stock with the older movements isn’t moving fast due to the current economical climate. Congratulations on your Monaco, wear it in good health and I LOVE the orange accents on the rotor and column wheel and moreover you get the little extra skelletonised automatic winding bridge that was lost on the TH20.

Ces
Ces
1 month ago
Reply to  DRodge

You do understand that my watch has 80 hours power reserve?

DRodge
Member
1 month ago
Reply to  Ces

I am fully aware, I know the Heuer 02 and the TH20 well, you asked a question and I answered, your movement is near identical to the TH20 bar the differences I answered you, that includes their identical 80 hours of power reserve which comes from a singular barrel unlike offerings from Omega for instance

Ces
Ces
30 days ago
Reply to  DRodge

Sorry, I thought 40 hours or 80 hours power reserve was a main distinction between the two. I understand that you answered me, and thank you for that. I think they’re using CAL HEUER02 rotors on TH20 movements until they run out. Lol. I apologize for sounding stupid but it is still not clear to me what’s all going on with the development and the differences between these two movements. Despite your explanation…
Thank you again.
Best

DRodge
Member
28 days ago
Reply to  Ces

Yours is a Heuer 02 with a Heuer 02 Rotor, I’ve not seen the mix of rotor and movement but the giveaway is the automatic winding bridge as I had mentioned earlier. You can see on my Carrera(the TH20) the automatic winding bridge is solid, the image with the partially deconstructed movement is the Heuer 02 which like yours has a skeletonised automatic winding bridge, it would be interesting if they’re mixing them as one is designed for winding the movement both directions. If you haven’t already make sure you register your timepiece with TAG Heuer on their website(just create… Read more »

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Ces
Ces
1 month ago
Reply to  DRodge

Thank you all the same

Ces
Ces
1 month ago

Apologies, my previous comment meant to say,
The most expensive Monaco’s listed there, DO not show or list their movement.

I meant to add that my CA HEUER02 movement is sold currently. Inside almost every Monaco. December 2024-January 2025 and has the 80 hour power reserve. It is confusing as to which movement is which and which movement has what features.
Please see my previous comment here for further info and pics.

DRodge
Member
1 month ago
Reply to  Ces

Heuer 02(in yours) – Unidirectional winding, otherwise near identical
TH20(latest update) – Bidirectional winding, minor changes(Apparently)

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