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This is a genuine Ronda setting lever for Caliber 505/515 movements, Swiss made. It serves as the core component of the keyless works, transmitting crown pull and rotation operations to the clutch and setting mechanism for time setting and date quickset function switching.
Brand：Ronda (Swiss)
Compatible Movements：505 / 515 series quartz calibers
Part Name：Setting Lever
Origin：Swiss Made
Quality：Genuine original, brand new
Function：Time setting and date quickset mode switching
1. Is this setting lever an original Ronda genuine part?
Yes.
2. What happens if the setting lever is damaged?
The setting lever is a core component of the keyless works. Damage can cause crown operation failure, inability to set time, or abnormal date quickset function. The date change prohibition window is approximately 22:00–24:00—adjusting during this period may damage the calendar mechanism. As a wear-prone component, timely replacement is recommended.
3. Does this part come with installation tools or instructions?
No. This is a single precision component. Installation requires disassembly of the keyless works and professional tools. Work should be performed by a qualified watchmaker.
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