Omega crown wheel + crown wheel core 470 500 501 502 503 550 560 562 563 565 / part 1101+1102

Omega Crown wheel + crown wheel core, same parts for all following calibers :

470 471 490 491 500 501 502 503 505 550 551 552 560 561 562 563 565 750 751 

Omega part 470-1101 + 470-1102

Pre-owned / pre-used