pack 2P
ETA 2890/2891/2892/2893/2894/2895
family/generations:19800 A/h:25-65: automatic25-651: automatic, date25-652: automatic, day, date25-66: manual wind25-661: manual wind, date28800 A/h, ball bearing for minute staff:25-671: automatic, date25-672: automatic, day, date28800 A/h, ball bearing plate redesigned:25-68: automatic25-681: automatic, date25-682: automatic, day, date