Omega 601

• 
  Serial no: 30 840 397 (aprox: 1969).

Data: 601

• 
  17 jewels, manual wind.
• 
  Size: 27.9 mm.
• 
  H: = 3.35 mm.
• 
  N: = 19.800 A/h.
• 
  Power reserve: 48 h.
• 
  Main spring, (measured): 1.05 x 10.5 - 0.10 - 360

Versions:

• 
  600: swan neck regulator.
• 
  601: excenter regulator.
• 
  602: chronometer
• 
  610: swan neck regulator, date.
• 
  611: excenter regulator, date.
• 
  613: quick set date.