$12.00
You Saved
Aftermarket balance stop spring engineered for Rolex Calibres 3035, 3075 and 3085 (Ref. 3035-5066), precision-formed to match the original keyless works geometry. Crafted to halt the balance wheel when the crown is pulled to the time-setting position (hacking function), enabling precise time synchronization. An ideal replacement for worn, fatigued, or broken original balance stop springs during movement servicing.
| Parameter | Value |
|---|---|
| Part Name | Balance Stop Spring |
| Part Number | 3035-5066 |
| Brand | Generic (Aftermarket) |
| Movement | Rolex Calibre 3035 / 3075 / 3085 |
| Function | Halts balance wheel for hacking/time-setting |
| Type | Aftermarket Replacement Part |
Q1: Is this a genuine Rolex part?
A: No — this is an aftermarket balance stop spring for Rolex 3035/3075/3085 (Ref. 3035-5066). It is not manufactured by Rolex SA.
Q2: What movements does it fit?
A: This balance stop spring fits the Rolex Calibre 3035, 3075 and 3085 movements. Please confirm your movement model before purchasing.
Q3: What does the balance stop spring do?
A: It halts the balance wheel when the crown is pulled to the time-setting position (hacking function), allowing precise second-hand synchronization.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
3,000+ watch movements and parts in stock.
Trusted by watchmakers worldwide.
Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.
