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Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
![]() Fig. 1 ![]() Fig. 2 | Bulova 8BA (ETA 1220) Features manual wind sub second Data 8 x 9''', Dm=Do= 18.55 x 20.85mm corners with rests rounded for 9.75''', Dm= 21.7mm, Do= 22.2mm H= 3.25mm F= 1.2mm T= 1.5mm 17 jewels f = 18000 A/h power reserve 43h Balance staff U1782 Stem W1052 Mainspring / battery Zf761, 1.25 x 8.5 x 0.10 x 250mm Hands 1.24 x 0.60 / 0.17mm Comments about the data | Remarks 1947-1957 balance system from Bulova generations: 8AH: Breguet hairspring new setting works: 8AD: Breguet hairspring 8BA: flat hairspring Example, year: signature; shock device 1948: 48, BXW, Bulova Watch Co, Swiss, 17 Jewels (Bulova 8AD) 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. |
bidfun-db 21.3 © 02-08-15, mtr-Ranfft |
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