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|Bulova 12OTC (Citizen 0880)|
electronically controlled balance motor
12.5''', Dm= 28.0mm, Do= 28.4mm
(battery clamp +0.5mm)
f = 18000 A/h
Stem Citizen 065-73
Mainspring / battery
1.50 x 1.00 x 0.16mm
Comments about the data
12OTC: 18000 A/h
12OUCD: 21600 A/h, date
After common Bulova nomenclature T in 12OTC and U in 12OUCD indicate different generations. It is not known whether according calibres 12OTCD and 12OUC exist.
Example, year: signature; shock device
1970: N0, Caravelle Watch, 12OTC, Lic. ATO, 12 Jewels; Parashock
Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.
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