Omega 3220, Screw for second train wheel bridge, no: 3450

• 
  New OMEGA original part, not in factory packaging.

• 
  Old number: 3450

• 
  1 pcs.

• 
  Fits cal: 1138, 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.