Omega 600-1101/2, Crown wheel with core

• OMEGA original parts factory packaging.

• Fits cal: 600, 601, 602, 610, 611, 613

Versions:

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