Omega 3220-1143/1, Oscillating weight

• OMEGA original part in very good used condition. Picture of the actual part.
  

• Rhodium plated (white), signed cal 3220
  

• Fits cal: 1140, 1141, 1143, 3220

Data: Omega 3220 (ETA 2892-A2 + Dubois-Dépraz 2020 chronograph module).

• 47 jewels, automatic wind chronograph, 60 s, 30 min, 12 h counter.
• Size: 30.0 mm.
• H: = 6.50 mm.
• N: = 28800 A/h.
• Power reserve: 40 h.

Versions:

• 1138: 2890-A2, 60 sec, 30 min conunter, 44 jewels.
• 1140: 2890-2, 60 sec, 30 min, 12 hour counter, gold plated, 46 jewels.
• 1141: 2890-A2, 60 sec, 30 min, 12 hour counter, rhodium plated, 45 jewels.
• 1143: 2890-A2, 60 sec, 30 min, 12 hour counter, rhodium plated, 45 jewels.
• 3220: 2890-A2, 60 sec, 30 min, 12 hour counter, rhodium plated, 47 jewels.