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7.25''', Dm= 16.2mm, Do= 16.5mm
f = 21600 A/h
power reserve 39h
Balance staff U2557
Mainspring / battery
1.40 x 6.0 x 0.06mm
1.20 x 0.60mm
Comments about the data
strange: indirectly driven minute allows a relatively big balance and low profile
1418: manual wind, 6.75'''
1419: automatic, 6.75'''
1420: automatic, 7.25'''
Example, year: signature; shock device
1964: 5461471, Eterna-Matic, Brevete - Patented; Eterna-U
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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