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This is a genuine OEM automatic device lower bridge, Ref. 3135-135, made in Switzerland, forming the structural foundation of the automatic winding module for the Calibre 3135. Together with the upper bridge (3135-140), this precision-machined stainless steel lower bridge houses and secures the two reversing wheels (3135-540), driving wheel (3135-510), and pinion for oscillating weight (3135-550). Exact-match, drop-in replacement.
Model: Rolex 3135-135
Type: Automatic Device Lower Bridge
Compatible with: Rolex Calibre 3135 and variants
Material: Stainless steel
Function: Houses reversing wheels / driving wheel / rotor pinion
Features: OEM, exact-match, drop-in replacement
Origin: Made in Swiss
1. Is it genuine?
This is an aftermarket part, not in original packaging, but dimensions and specifications exactly match the original.
2. How is the quality?
Precision-machined stainless steel, ensuring stable structure and reliable operation.
3. What is it suitable for?
Ideal for automatic winding module repair and replacement in the Calibre 3135.
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