Longines 6902-201, Center wheel

• LONGINES original part, new without factory packaging.
  

• Comes without cannon pinion no: 240

• Fits cal: 6902, 6912, 6922

Versions:

• 6902: no second.
• 6912: no second, date.
• 6922. sub. second.
• 6942: sweep second.
• 6952: sweep second, date.
• 6972: sweep second, date, day.