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11AOACD

Start Year: 

1973

End Year: 

1979

Jewels: 

17
Reverend Rob's picture
Reverend Rob
Panel Member
Posted February 10, 2018 - 3:03pm

The last calibre family from Bulova. Records indicate it was used at least until 1979, possibly beyond. Versions went up to 23 jewels, KIF Ultraflex shock system. Frequency 21,600 a/h. 'AO' series had quickset date. 

neetstuf-4-u's picture
neetstuf-4-u
Panel Member
Posted February 10, 2018 - 1:50pm

Movement in a currently unknown Model with date window only; dated 1974. Input'ed start and stop dates for production are a guess based on verified movements in the database.