Eterna 520
Technical data Eterna 520
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15 jewels, manual wind, sub second. -
Size: 12''' 26.60 mm. -
H: = 4.0 mm. -
N: = 18.000 A/h. -
Power reserve: 42 h. -
Mainspring: 1,40 x 9,5 - 0,105 - 320 mm.
Versions: each version comes with different shock protecting systems.
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520: base caliber -
520H: modified plate for case clamps. -
520U: sweep second.