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This is a genuine MIYOTA coil block for the 9T13 movement, made in Japan, designed for the 9T13 ultra-thin quartz caliber. 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. This product is brand new and original, intended for servicing and repair of 9T13 movements.
Brand：MIYOTA (by CITIZEN)
Compatible Movement：9T13 ultra-thin quartz caliber
Origin：Made in Japan
Quality：Genuine original, brand new
Function：Converts electrical pulses to magnetic force for stepper motor
1. Is this coil block an original MIYOTA genuine part?
Yes. It is an original MIYOTA factory part, made in Japan, manufactured by Citizen’s MIYOTA division.
2. Which movements is this coil block compatible with?
It fits the MIYOTA 9T13 ultra-thin quartz caliber (6¾×8 ligne, 15.30×17.80mm, 2.33mm height). This is a 3-hand with date movement with date window available at 3 o’clock or 6 o’clock. The 9T13 is a slim movement designed for ultra-thin watches.
3. What are the symptoms of coil block failure?
The coil block is the core drive component of the stepper motor. Common symptoms include: movement not running after battery replacement. The 9T13 offers accuracy of ±20 seconds/month with approximately 2 years of battery life. Timely replacement is recommended.
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