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Aftermarket balance stop spring for Rolex calibers 1565, 1570, 1575 and 1580 (Ref. 1570-8115), precision-formed to original geometry. Halts the balance wheel when the crown is pulled to the setting position (hacking function) for precise time synchronization.
Model: Rolex 1570-8115
Type: Balance Stop Spring
Compatible with: Rolex 1565 / 1570 / 1575 / 1580
Function: Hacking function, precise time synchronization
Features: Precision-formed, aftermarket replacement
Condition: Brand new
1. Is it genuine?
This is an aftermarket replacement, not in original packaging, but dimensions and specifications match the original.
2. Quality?
Precision-formed to original keyless works geometry, reliable hacking.
3. Suitable for?
For 1565/1570/1575/1580 replacement.
Fast Worldwide Shipping – Orders are dispatched within 3 business days.
Competitive Pricing – Great value across watch movements, replacement parts and watchmaking tools.
Extensive Selection – More than 3,000 watch movements, parts and accessories available.
Trusted Worldwide – Trusted by watchmakers, repair professionals and watch enthusiasts worldwide.
Personalized Sourcing – Can’t find the part you need? Contact [email protected] or WhatsApp +86 18620212114.









