ETA 2370-401, Winding stem

• ETA original stem, not in factory packaging.

• Thread: 0.90 mm.
  

• Fits cal: 2370, 2372, 2373, 2375, 2377, 2378, 2379, 2380, 2381

Versions using this stem:

• 2370: 11.5''' manual wind.
• 2372: 11.5''' manual wind.
• 2373: 11.5''' manual wind, date.
• 2375: 11.5''' automatic wind.
• 2377: 13''' automatic wind, date.
• 2378: 11.5''' automatic wind, date.
• 2379: 11.5''' automatic wind.
• 2380: 11.5''' automatic wind.
• 2381: 11.5''' automatic wind, date.