Omega 350-1410, Driving gear for crown wheel

• OMEGA original part, NOS without factory packaging.

• Fits cal: 350, 351, 352, 354, 355 with sweep second.
  

Data: Omega cal: 330 (30.10 RA PC AM 17p)

• 17 jewels, automatic wind, sub second.
• S: = 28.10 mm.
• H: = 4.55 mm.
• N: = 19.800 A/h.
• Power reserve: 42 h.

Versions untill 1949. Marked on the plate:

• 30.10 RA PC AM 17p: sub second, from -49 = cal: 330.
• 30.10 RA PC JUB AM 17p: sub second, chronometer, from -49 = cal: 331.
• 30.10 RA PC T1 AM 17p: sub second, from -49 = cal: 332
• 28.10 RA PC AM 17p: sub second, from -49 = cal: 340
• 28.10 RA PC JUB AM 17p: sub second, chronometer, from -49: cal: 341.
• 28.10 RA PC T1 AM 17p: sub second, from -49 = cal: 342
• 28.10 RA SC PC: center second, from -49, cal: 350
• 28.10 RA SC PC T1 AM 17p: center second, from -49, cal: 351

Versions: 30.10 mm. From 1949. Marked on the barrel bridge.

• 330: sub second.
• 331: sub second, chronometer.
• 332: sub second.
• 333: sub second, chronometer.