Brand | Junghans |
Caliber Number | J880.1 |
Actual Caliber | ETA 7750 |
Movement Type | Automatic, self-winding mechanical |
Lignes | 13.25”’ |
Diameter | 30mm |
Height | 7.9mm |
Jewels | 25 |
Beat Rate | 28,800 (4Hz) |
Lift Angle | 49 degrees |
Power Reserve | 48 hours |
Rotor Style | Ball bearing system |
Rotor Winding | Uni-Directional |
Hand-Windable? | Yes |
Anti-Shock Device | Incabloc or Nivachoc |
Balance Spring | Nivarox |
Hand Count | 6 |
Functions | Central hours; central minutes; central chronograph seconds; small running seconds subdial at 9:00; 30 minutes chronograph counter at 12:00; 12 hour chronograph counter at 6:00; day/date at 3:00 |
Hacking Seconds? | Yes |
Country of Manufacture | Switzerland, Swiss made |
Known Models | Junghans Meister Chronoscope (ref: 027/4528.45, 027/4526.01, 027/7023.03, 027/7024.02, 027/7024.03) (Add your watch to the comments below…) |
The Junghans caliber J880.1 is a Swiss made automatic chronograph movement found in the Meister Chronoscope line of watches. This caliber is basically an ETA/Valjoux 7750 with a branded rotor.
J880.1 VS J880.2:
There is a similar caliber J880.2 found in the Max Bill Chronoscope series. The J880.1 and J880.2 are both based on the 7750, but the J880.1 is a tricompax layout with a small seconds subdial at 9:00. The J880.2 has a vertical bi-compax layout with no small seconds at 9:00. Some J880.2 have a date only without the day of the week.
Additional Resources:
Recent Comments
Does this have a larger balancewheel compared to the SW200?
Would the only way to tell not be to see the front/dial side, as the…
I have just had my GO chronograph panorama date serviced at £1625... A bit of…
AFAIK, regular quartz watches can do a fine sweep no problem, it's a setting of…
This movement can also be found in Addiesdive Deepseahunter 200m GMT. Unsure if it Swiss…
so do mine :) ... Eternamatic KonTiki Chronometer is my best slim design diver. Case…
ciao, come mai non trovo il calibro 972 di Jaeger LeCoultre? E' un calibro storico…