Omega 210-1105, Click spring

• OMEGA original part, new without factory packaging.
  

• Fits cal: 210, 211, 212, 213

Data: Omega 211 (R 11.5 SS AM 17 p).

• 17 jewels, manual wind.
• Size: 15.05 x 11.50 mm.
• H: = 3.55 mm.
• N: = 21.306 A/h.
• Power reserve: 46 h.

Versions:

• R 11.5 SS 15p: 21.306 A/h, until 1949, 15 jewels, 1936.
• R 11.5 SS 17p: 21.306 A/h, 17 jewels, 1946, in 1949 = cal: 210.
• 210 R: 21.306 A/h, after 1949, 17 jewels, 1949.
• 211 R: 21.306 A/h, 17 jewels, antimagnetic, 1951.
• 212 R: 21.306 A/h, 17 jewels, minor modifications, 1952.
• 213 R: 21.306 A/h, 17 jewels, shock protection, 1953.