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This is a genuine MIYOTA click spring for the 8200 movement (Part No. 903-70), made in Japan, designed for the 8200 series automatic calibers. It serves as a key positioning component of the keyless works, precisely locating the clutch wheel when the crown is pulled for clear switching between winding, date quickset, and time setting positions. This product is brand new and original, not a generic replacement part.
Brand:MIYOTA (by CITIZEN)
Compatible Movement:8200 / 8205 / 8215 and other 8200 series automatic calibers
Part Name:Click Spring
Part Number:903-70
Origin:Made in Japan
Quality:Genuine original, brand new
Function:Positions clutch wheel, enables crown mode switching
1. Is this click spring an original CITIZEN/MIYOTA genuine part?
Yes. It is an original MIYOTA factory part with part number 903-70, made in Japan.
2. Which movements is this click spring compatible with?
It fits MIYOTA 8200 series automatic calibers, including 8200, 8205, 8215. The date versions (8200/8215) have three indents on the click spring (for winding, date quickset, and time setting), while the no-date version (e.g., 8N24) has only two indents (winding and time). Verify your movement caliber before installation.
3. What happens if the click spring is damaged?
The click spring is a critical positioning component of the keyless works. Damage or wear can cause unclear crown positions, loose operation, or mode switching failure—common symptoms include inability to engage setting mode when the crown is pulled out. As a wear-prone component, timely replacement is recommended.
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