| Brand | ETA |
| Caliber Number | A07.211 Valgranges |
| Movement Type | Automatic |
| Lines | 16 1/2”’ |
| Diameter | 36.6mm |
| Height | 7.9mm thick |
| Jewels | 25 |
| Power Reserve | 54 hours |
| Vibrations Per Hour | 28,800, 4Hz |
| Lift Angle | 49 degrees |
| Shock System | Incabloc |
| Regulator | Etachron |
| Features | Hours, minutes, small running seconds at 9:00, central chronograph seconds, 30 minutes chronograph counter at 12:00, 12 hours chrono counter at 6:00, date at 3:00 |
| Hacking Seconds | Yes |
| Hand-Windable? | Yes |
| Country of Manufacture | Switzerland |
| Known Models | Invicta 12861 (add your watch in the comments below…) |
The ETA Valgranges caliber A07.211 is a Swiss made automatic chronograph watch movement. The Valgranges family is based on the ETA/Valjoux 7750.
Some of the topics covered in this caliber listing:
Valgranges A07 VS ETA 7750:
One of the big differences between the Valgranges and the 7750 is the diameter. The 7750 is 13.25”’ (about 30mm) and the A07 is 16.5”’ (36.6mm). This makes it a good option for larger watches such as the models Invicta produces.
Drawings:
Power Reserve:
The official ETA tech sheets list the caliber A07211 as having a 48 hour power reserve, but the listing on the ETA site states 54 hours. Please comment below what your power reserve experience with this movement has been.
Unavailable:
As of the time of this post, this movement is unavailable from ETA. Read more about ETA availability here.
Video:
Watches with this movement:
The movement pictured was found in this Invicta Subaqua Noma V. If you know more watches with this caliber, please add them below.
Additional Resources:
network of watch sites
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