Omega 410-1106, Winding stem

• OMEGA original stem, not in factory packaging.

• Fits cal: 410, 420

Data: Omega 410 (26.50 PC AM 17 p).

• 17 jewels, manual wind, hour and minute, sub second display.
• Size: 26.50 mm.
• H: = 3.60 mm.
• N: = 18.000 A/h.
• Power reserve: 48 h.
• Main spring: 1,30 x 10,5 - 0,13 - 320 AT = Double brace and hole.

Versions:

• 410: sub second (1951).
• 420: center second (1952).