Omega 3220, Chronograph second wheel, no: 1543M1
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New OMEGA original part in factory sealed packaging.
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Old number: 8061
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Fits cal: 1138, 1140, 1141, 1143, 3220
Data: Omega 3220 (ETA 2892-A2 + Dubois-Dépraz 2020 chronograph module).
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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:
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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.