ETA 1010-721N, Balance, complete

• 
  Original ETA sparepart in factory sealed packaging.

• 
  Fits cal: 1010, 1011, 1013

Data:

• 
  15 jewels, manual wind.
• 
  Size: 7,75''' 17,2 mm.
• 
  H: = 2,85 mm.
• 
  N: = 18000.
• 
  Power reserve: 43 h.

Versions:

• 
  1010: sub second.
• 
  1011: center second.
• 
  1013: no second.