OMEGA cal: 210 - 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: all with 21.306 A/h. Total production of all versions was 317.400 pcs.

• R 11.5 SS: 15p, 15 jewels, 1936 to 1949
  
• R 11.5 SS: 17p, 17 jewels, 1946- in 1949 renamed to cal: 210.
• 210: (R11.5 17p), 17 jewels, 1949 -1951
• 211: (R11.5 AM 17p), 17 jewels, antimagnetic, 1951- 1952
  
• 212: (R11.5 T1 AM 17p), 17 jewels, minor modifications, 1952 - 1953
  
• 213: (R11.5 T2 PC AM 17p), 17 jewels, KIF shock protection, 1953 - 1959