ETA C07.141 #Swiss #Powermatic 80 #Automatic #Watch #Movement #Unboxing #Review | #Watch #Repair #Channel
TheĀ Tissot Powermatic 80Ā is a Swiss Made self-windingĀ automaticĀ movement with 23-25 jewels. It is found in various Tissot models and is based on the ETA caliber C07 series, which itself is based on the legendaryĀ ETA caliber 2834-2. This caliber was announced at Baselworld 2012.
ALMOST MYSTERIOUS:
Tissot offers almost no information about the Powermatic 80 or the ETA base calibers. The official Tissot site provides large images of each movement, but they do a good job of hiding the ETA caliber designation near the balance wheel. The image above was one of the few available with a blurry glimpse at the base caliber number. Furthermore, ETA does not provide any official documentation on the C07 series, and these movements appear to be exclusive to Swatch Group brands only (as isĀ currently the caseĀ for all ETA mechanical movements).
POWER RESERVE:
This caliberās claim to fame is the high 80 hours power reserve. In contrast, the standard ETA 2834-2 is rated at about 38 hours power reserve when fully wound. Obtaining an 80 power reserve was achieved with the combination of a more efficient spring barrel and reducing the frequency from 4Hz to 3Hz. This means that the PM80 beats at 21,600 bph compared to a 2834-2 beating at 28,800.
NO REGULATOR:
The Powermatic 80 is not equipped with an ETAChron or other type of regulating system. Similar to the Sistem51, the Powermatic 80 laser regulated at the factory. This is what Tissot refers to as their āHigh-Techā escapement. This doesnāt necessarily mean that the movement isĀ impossibleĀ to adjust or service, but good luck finding parts or a watchmaker who will want to work on it. This is something for hardcore mechanical watch lovers to take into consideration before spending $1,000+ on a two-tone Tissot Luxury.
ETA C07 BASE MOVEMENT:
As mentioned above, the Tissot Powermatic 80 movements are based on the ETA caliber C07 series. At the time of this post, there are at least four variations of the C07 (C07.111, C07.141, C07.611, C07.651, C07.811) being used in Tissot timepieces labeled Powermatic 80, but Tissot does not give clear indication which models are powered by which version. Weāre doing our best to gather as much information as possible to keep this list updated. Hereās what we have so far:
HOW TO TELL THE DIFFERENCE?
An easy way to distinguish the difference between the base calibers in Tissot Powermatic 80 models is to look at the features and/or text on the rotor:
Powermatic 80.111 (ETA C07.111)
Features: Date at 6:00
Rotor: High-Tech Escapement / Twenty-Three 23 Jewels / Swiss Made
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