Junghans J810.5

The Junghans J810.5 is an automatic movement based on the ETA 2824-2, manufactured for Junghans by the Swatch Group's ETA division. It operates at 28,800 vibrations per hour and delivers a 42-hour power reserve. The caliber features a day, date, and power reserve indicator—commonly described as a triple calendar with power reserve complication. This movement is used in the Junghans Meister Calendar and Meister Agenda models. It remains in production.