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5.75 x 6.75''', Dm= 13.05 x 15.15mm
Do= 13.05 x 15.6mm
f = 18000 A/h
power reserve 42h
Balance staff U2525 / U3125
balance with/without screws
Mainspring / battery
Zf1002, 1.40 x 6.5 x 0.07 x 210mm
1.20 x 0.60mm
Comments about the data
strange: indirectly driven minute allows a relatively big balance and low profile
The calibres 2480, 2485 and 2482, 2487 respectively are nearly identical, but mirror inverted. An equivalent pair was made as Eterna 1437/1447. As also the dial feet positions were mirrored, it is even impossible to use the same dials for both variants. The reason for these sets of twins are unknown, and for two-hands movements hard to understand.
18000 / 21600 A/h respectively:
2480/2482: balance at 12h, barrel at 6h
2485/2487: balance at 6h, barrel at 12h
Example, year: signature; shock device
ca. 1965: EV, 17 Jewels, Swiss - Patented; Incabloc
(ETA 2487, 21600 A/h)
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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