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This is a genuine Ronda 785 yoke, an original Swiss-made component for the Ronda 785 quartz movement. 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. This product is brand new and original, not a generic replacement part.
Brand：Ronda (Swiss)
Compatible Movement：785 quartz movement (8¾ ligne normtech series)
Part Name：Yoke / Bascule
Part Number：3015.039 (Lower yoke)
Origin：Swiss Made (5 jewels, gilt) or Swiss Parts (1 jewel, nickel)
Quality：Genuine original, brand new
Function：Controls clutch wheel positioning, enables crown mode switching
1. Is this yoke an original Ronda genuine part?
Yes. It is an original Ronda factory part with part number 3015.039, Swiss Made.
2. Which movements is this yoke compatible with?
It fits the Ronda 785 series quartz movements, measuring 8¾ ligne (19.40mm) with 2.50mm thickness as part of Ronda’s normtech product line, featuring date display and 3 hands. Ronda 785 keyless works parts are partially interchangeable with Cal. 783/785, but parts from different production periods may not be individually interchangeable—verify against your old part number.
3. What happens if the yoke is damaged?
The yoke is a core component of the keyless works. Damage can cause crown operation failure, inability to set time, or abnormal date quickset function. As a wear-prone component, timely replacement is recommended.
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