Eterna 1412 UD

Data:

• 17/21 Jewels, automatic winding
• Size: 12,5''' 27,6 mm.
• H: = 5,6 mm.
• N: = 18000
• Power reserve: 47 h.

Versions:

• 1411: 11,5''' domed dial.
• 1412: 12,5''' domed dial.
• 1413: 12,5''' flat dial.
• 1414: 13''' domed dial.
• 1415: 13''' flat dial.
• 1416: 13,5''' domed dial.
• 1421: 11,5''' date, domed dial.
• 1422: 12,5''' date, domed dial.
• 1423: 12,5''' date, flat dial.
• 1424: 13''' date, domed dial.
• 1425: 13''' date, flat dial.
• 1426: 13,5''' date, domed dial.
• UD: = ring balance, new hairspring stud, modified hour wheel.