Tissot 38.2-401, Winding stem

• TISSOT original winding stem, new without factory packaging.
  

• Thread: 1.50 mm.

• Fits cal: 38.2, 40.5

Data Tissot 40.5

• 15 Jewels, manual wind, sub second.
• Size: 18''' 40.5 mm.
• H: = 3.85 mm.
• N: = 18000
• Power reserve: 35 h.
• Mainspring: 1.30 X 16 - 0.20 - 480

Versions:

• 38.2:   17''' flat hairspring.
• 38.2A: 17''' Breguet hairspring.
• 40.5:   18''' flat hairspring.