ETA 6497-401, Winding Stem, Generic

• Swiss Made genric ETA winding stem.

• Thread: 1.20 MM.
  

• Fits cal: 6497, 6498

Data ETA / Unitas 6497

• 17 Jewels, manual wind.
• Size: 16,5''', 36.6 mm.
• H: = 4.5 mm.
• N: = 18.000 A/h.
• Power reserve: 43 h.

Versions:

• 6497: open face, Winding stem at "12"
• 6498: hunter: Winding stem at "3"