Longines 6942-211, Double third wheel

• LONGINES original part in factory sealed packaging.

• Fits cal: 6942, 6952, 6972

Versions:

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