Genuine Omega® click spring, part number 1105, base cal. 450 (see all calibres in description) Miyota automatic you made need a plier

you made need a plier to pull them out

Designed with quality craftsmanship to enable smooth and precise operation while opening/closing screw-back style cases

RL 785-3 Swiss Ronda Quartz Movement is a 3 hand (hour/minute/sweep second) movement

6mm Chain End a 6mm chain end that is available in 14kt yellow

part number 1159

Genuine Omega® click spring, part number 1105, base cal. 450 (see all calibres in description) Miyota automatic you made need a plierGenuine Omega click spring part number 1105 Fits calibres: Omega 450 Omega 455 Omega 550 Omega 551 Omega 552 Omega 560 Omega 561 Omega 562 Omega 563 Omega 564 Omega 570 Omega 571 Omega 620 Omega 630 Omega 710 Omega 711 Omega 712 Omega 715 Omega 750 Omega 751 Omega 752 * 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.