Omega 37.5-1321, Balance staff

• OMEGA original balance staff without factory packaging.
  

• Length: 306

• Fits cal: 37.5, 140, 142

Data Omega 37,5 15 P

• 15 jewels, manual wind, hour, minute, sub second.
• Size: 37.5 mm.
• H: = 3.75 mm.
• N: = 18.000 A/h.
• Power reserve: 42 h.

Versions:

• 37.5 15 P: 15 jewels, 1932
• 37.5 17 P: 17 jewels, 1932
• 37.5 T1 15 P: base caliber 140, 15 jewels, 1941
• 37.5 T1 17 P: base caliber 142, 17 jewels, 1941