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electronically controlled tuning fork
12h- and 24h display, center hands
mechanical hack feature
12.5''', Dm= 27.7mm, Do= 28.75mm
H= 5.5mm (4.9mm between plates)
f = 360Hz
Stem Bulova 2140
Mainspring / battery
387 (original, mercury), 394 (replacement, silver odixe, adapter necessary)
1.30 x 0.85 x 0.20mm
Comments about the data
setting handle at the bottom
nickel plated, up to 1968 / gilt since 1968:
214H/2141: hack feature
214HN/2142: hack feature, second time zone
-/2143: since 1970, features unknown
Example, year: signature; shock device
1969: M9, Bulova, Brevet-Patent, Swiss Made - E
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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