Genuine Omega® winding pinion, part number 1108, base cal. 470 (see all calibres in description) 505 Series Ronda to be used with the

to be used with the appropriate KWM replacement bushing

Omega® 570

Mixed Hand Washers are brass and come in varying sizes and hole styles (square and round)

part number 2032

Helbros 104

Genuine Omega® winding pinion, part number 1108, base cal. 470 (see all calibres in description) 505 Series Ronda to be used with theGenuine Omega winding pinion, part number 1108 Fits calibres: Omega 470 Omega 471 Omega 490 Omega 491 Omega 500 Omega 501 19 p Omega 501 20 p Omega 502 Omega 503 19 p Omega 503 20 p Omega 504 Omega 505 Omega 510 Omega 511 Omega 520 Omega 600 Omega 601 Omega 602 Omega 610 Omega 611 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does not apply to parts supplied by Perrin Supply Ltd.