Omega barrel + barrel arbor 330 331 332 333 340 341 342 343 344 350 351 352 353 354 355

Omega barrel with cover + arbor (no mainspring inside)

Pre-owned / pre-used
Omega same part for all following calibers :

330 331 332 333 340 341 342 343 344 350 351 352 353 354 355

Part 330-1200 only barrel + cover + arbor