The big date complication is no longer the prerogative of luxury models. With its 2826-2 calibre, ETA has come up with an innovative solution which makes it possible to practically double the size of the window compared with the 2824-2 calibre.
SPECIFICATIONS
MOVEMENT
ETA 2826-2 mechanical, big date calibre
Automatic winding: rotor with a heavy-metal segment and ball bearings
Frequency: 4 Hz (28,800 v/h)
Power reserve: 38 hour minimum
Jewels : 25
Movement can be taken apart completely
Functions: hours, minutes, central seconds
Date window 3.7 x 2.8
Window can be located at different points on the dial
Patent filed
Other version: ETA F06.161 big date quartz calibre, frequency of 32,768 Hz, theoretical power reserve of 68 months (battery 40 mAh), end-of-life alert, 3 jewels