ETA caliber 252.511
Quartz movement ETA Flatline
Hours, Minutes, Seconds, Date.
Very high precision; thermocompensation.
100 year perpetual calendar (date) displayed in window (valid until 2099).
Instantaneous change of date, precision of the jump, approx. 2 minutes.
By pressing the crown, momentary display of the month and cycle of year by date indicator (IV for leap year).