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This is a genuine Ronda 715/705/706 coil block, a Swiss-made component for Ronda quartz movements. It serves as the core drive component of the stepper motor, converting electrical pulses from the circuit board into magnetic force to drive the gear train for precise timekeeping . This product is brand new and original, intended for repairing movements that fail due to open circuits, short circuits, or corrosion damage to the coil .
Brand：Ronda (Swiss)
Compatible Movements：Ronda 715 / Ronda 705 / Ronda 706 (including 706.3 variants)
Origin：Swiss Made / Swiss Parts
Quality：Genuine original, brand new
Function：Converts electrical pulses to magnetic force for stepper motor
Coil Resistance (706.3)：1.75–1.95 kΩ
1. Is this coil block an original Ronda genuine part?
Yes. It is an original Ronda factory part from Switzerland, designed for 715/705/706 movements. The Ronda 705 is available in gilt 4‑jewel and nickel 1‑jewel versions .
2. Which movements is this coil block compatible with?
It fits Ronda 715, 705, and 706 quartz movements . The Ronda 715 is commonly found in fashion brands like Guess and JAG ; the Ronda 705 is used in Victorinox and Wenger watches ; and the Ronda 706 is found in Louis XVI and Roamer .
3. How do I check if the coil is faulty?
Use a multimeter to measure resistance across the two coil contacts. For Ronda 706.3, the normal reading is 1.75–1.95 kΩ . An “OL” reading (open circuit) or very low resistance indicates a faulty coil . The movement not running after installing a new battery is also a typical symptom .
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