Junghans J880.1

The Junghans J880.1 is an automatic chronograph movement based on the ETA 7750. It measures 13.25 lignes (30mm) in diameter and 7.9mm in thickness, with a power reserve exceeding 42 hours. The movement is not in-house, relying on the well-established ETA architecture. It remains in production within Junghans chronograph watches.