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This is a generic “spider spring” designed for use in the movement of Piaget Caliber 8P and 8P2 [0†L6-L7]. As a critical elastic component within the gear train or keyless works, it maintains stable gear meshing and provides return tension.
Generic Replacement – Designed for Piaget 8P/8P2 movements; non-original but functionally equivalent.
Critical Elastic Component – Provides stable meshing pressure and return tension in the gear train or keyless works.
Precision Manufactured – Made of quality spring steel for uniform tension and durability.
Restores Movement Function – Replaces aged or deformed spider springs to fix gear slipping or unclear setting positions.
Cost-Effective – Affordable alternative to genuine parts for movement service or repair.
| Parameter | Details |
|---|---|
| Compatible Movements | Piaget Caliber 8P, 8P2 (ultra-thin manual-wind) |
| Type | Generic aftermarket |
| Common Name | Spider spring |
| Function | Maintains gear meshing, provides return tension |
| Material | Spring steel |
Q1: How does the “spider spring” in the 8P/8P2 contribute to the movement’s function?
A: In these slim Piaget quartz calibers, the spring is part of the keyless works or gear train. It ensures secure meshing of the setting wheels and proper return of the crown’s sliding pinion. A failed spring will cause poor winding feel and inaccurate time setting.
Q2: Is special lubricant needed for installation?
A: Yes, a minimal amount of a low‑viscosity watch oil, such as Moebius 9010, is recommended on the spring’s contact surfaces. The amount should be barely visible – too much will dampen the spring’s action.
Q3: How difficult is it to install this spring?
A: Very difficult. The spring is very small (approx. 5–8mm in length) and the installation area is crowded with delicate gears and jewels. This operation requires very steady hands and high magnification; amateur installation is not recommended.
Q4: Can I bend an old spring back into shape instead of replacing it?
A: No. Once a spring has taken a set or been deformed, its internal stress profile has been permanently altered. Attempting to bend it back will cause micro‑fractures and it will fail again soon, potentially damaging nearby components.
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