---
description: Generic mainspring for Patek Philippe Caliber 240, restores 48h power reserve. Aftermarket alloy steel part.
title: Generic Patek Philippe 240 Mainspring - Sofly
image: https://www.soflypart.com/wp-content/uploads/2023/03/Patek-240-mainspring.jpg
---
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- **Generic Patek Philippe 240 Mainspring**
[](https://www.soflypart.com/wp-content/uploads/2023/03/Patek-240-mainspring.jpg)
# Generic Patek Philippe 240 Mainspring
$20.00
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| Brand | Choose an option Patek Philippe- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 | — | $20.00 |
| 2 - 4 | 5% | $19.00 |
| 5 - 9 | 7% | $18.60 |
| 10 - 14 | 12% | $17.60 |
| 15+ | 15% | $17.00 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 | — | $20.00 |
| 2 - 4 | 5% | $19.00 |
| 5 - 9 | 7% | $18.60 |
| 10 - 14 | 12% | $17.60 |
| 15+ | 15% | $17.00 |
Generic Patek Philippe 240 Mainspring quantity
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## Product Description
Generic mainspring for Patek Philippe Calibre 240 automatic movement. Stores energy to drive the gear train, restoring original power reserve and winding efficiency. Aftermarket replacement for worn or broken original springs.
## Features & Function
- Precision‑wound for Calibre 240 barrel – exact fit.
- High‑grade alloy steel – durable, fatigue‑resistant.
- Restores 48‑hour power reserve and stable amplitude.
- Drop‑in replacement – no movement modification.
## Specifications
| Parameter | Value |
| --- | --- |
| Compatible caliber | Patek Philippe 240 (240 PS, 240 Q, etc.) |
| Power reserve | approx. 48 hours |
| Frequency | 21,600 vph (3 Hz) |
| Material | High‑grade alloy steel |
| Type | Aftermarket |
## Applications
- Replace worn/broken mainspring during full service of Calibre 240.
- Suitable for Calatrava, Nautilus, Aquanaut, Golden Ellipse, and complications (perpetual calendar, world time) with 240 base.
- Professional watch repair only.
## Frequently Asked Questions
**Q1: Genuine Patek Philippe part?** No, generic aftermarket.
**Q2: Which calibers fit?** Calibre 240 family (240, 240 PS, 240 Q, 240 HU C, etc.).
**Q3: What power reserve after replacement?** Approx. 48 hours.
## Why Choose SOFLY Watch Parts?
- 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 **info@soflypart.com** or WhatsApp **+86 18620212114**.
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