Omega 1340-9100, Setting stem

• OMEGA original part, not in factory packaging.

• Thread: 0.90 mm.

• Fits cal: 1340, 1342, 1343, 1345, 1346

Versions:

• 1340: no date, H:=3,50 mm.
• 1342: date. Base caliber.
• 1343: date, chronometer.
• 1345: day, date.
• 1346: day, date, chronometer.