---
description: Generic mainspring for Jaeger‑LeCoultre Caliber 924. Swiss alloy steel, restores 43h power reserve. Aftermarket replacement.
title: Generic JLC Jaeger-LeCoultre Caliber 924 Mainspring - Sofly
image: https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891.jpg
---
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- **Generic JLC Jaeger-LeCoultre Caliber 924 Mainspring**
[](https://www.soflypart.com/wp-content/uploads/2020/12/DSC05891.jpg)
# Generic JLC Jaeger-LeCoultre Caliber 924 Mainspring
$23.00
You Saved
| Brand | Choose an option Jaeger-LeCoultre- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 | — | $23.00 |
| 2 - 4 | 5% | $21.85 |
| 5 - 9 | 7% | $21.39 |
| 10 - 14 | 12% | $20.24 |
| 15+ | 15% | $19.55 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 | — | $23.00 |
| 2 - 4 | 5% | $21.85 |
| 5 - 9 | 7% | $21.39 |
| 10 - 14 | 12% | $20.24 |
| 15+ | 15% | $19.55 |
Generic JLC Jaeger-LeCoultre Caliber 924 Mainspring quantity
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## Product Description
Generic mainspring for Jaeger‑LeCoultre Caliber 924 automatic movement. Swiss‑made, high‑grade alloy steel. Restores original 43‑hour power reserve. Aftermarket replacement for worn or broken original springs.
## Features & Function
- Precision‑wound for Caliber 924 – exact fit for 924 barrel.
- High‑grade alloy steel – durable, fatigue‑resistant.
- Restores 43‑hour power reserve and stable amplitude.
- Drop‑in replacement – no modification to movement.
- Affordable alternative to genuine JLC mainspring.
## Specifications
| Parameter | Value |
| --- | --- |
| Compatible caliber | Jaeger‑LeCoultre Caliber 924 |
| Power reserve | 43 hours |
| Movement frequency | 28,800 vph (4 Hz) |
| Jewels | 41 |
| Material | High‑grade alloy steel |
| Type | Aftermarket |
## Applications
- Replace worn or broken mainspring during service of JLC Caliber 924.
- Suitable for Master Calendar, Master Control and other 924‑powered models.
- Professional watch repair and restoration.
## Frequently Asked Questions
**Q1: Genuine JLC part?** No, generic aftermarket.
**Q2: Which caliber?** Jaeger‑LeCoultre Caliber 924 only.
**Q3: What power reserve after replacement?** 43 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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