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This is a genuine Ronda circuit block electronic module for 585/775/785/705 movements, a Swiss-made component compatible with multiple Ronda normtech and powertech quartz calibers. It serves as the core control component of the movement, generating precise time signals to drive the stepper motor for accurate timekeeping. This product is brand new and original, intended for repairing movements that fail to run due to circuit failure.
Brand：Ronda (Swiss)
Compatible Movements：Ronda 585, 775, 785, 705 and related calibers including 774, 704, 715
Origin：Swiss Made / Swiss Parts
Quality：Genuine original, brand new
Function：Generates and processes time signals for stepper motor
1. Is this circuit module an original Ronda genuine part?
Yes. It is an original Ronda factory part from Switzerland, compatible with 585/775/785/705 movements.
2. Which movements is this circuit module compatible with?
It fits Ronda 585, 775, 785, 705 quartz movements, as well as related calibers including 774, 704, 715. The 585 belongs to the powertech series, while 775/785/705 belong to the normtech series.
3. What are the battery differences between movements?
585 and 785 use 362 (SR721SW) batteries; 775 uses 364 (SR621SW) batteries. Select the correct battery based on your movement caliber.
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