---
description: Bergeon 30103 magnetic compass — Swiss made, sapphire jewel, chromium-plated brass, detects magnetization in watch parts. Brand new. Diagnostic tool.
title: Bergeon 30097-XL-BC Cover And Tray - Sofly
image: https://www.soflypart.com/wp-content/uploads/2020/12/Bergeon-30097-XL-BC-Transparent-Cover-and-casing-cushion-in-rubberfor-watchmakers-12-divisions-O-155-mm-height-107-mm.jpg
---
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# Bergeon 30097-XL-BC Cover And Tray
$62.00
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## Product Description
**Genuine Swiss-made Bergeon 30103 magnetic compass with case**, brand new in original packing. A precision jewelled compass featuring a **sapphire jewel on hardened steel point** and **chromium-plated brass body** with an **engraved 13 mm dial**. Used to **detect magnetization in watch components** — a needle attracted at one end and repelled at the other indicates magnetism; attracted at both ends means no magnetism. An essential diagnostic tool for certified watchmakers and repair technicians.
## Features & Function
- **Genuine Bergeon compass** — Swiss-made, brand new in original packing, not a generic copy
- **Sapphire jewel on hardened steel point** — precision jewelled pivot for smooth, friction-free needle movement
- **Chromium-plated brass body** — durable, corrosion-resistant professional-grade construction
- **Engraved 13 mm dial** — clear, precise graduation for accurate magnetic reading
- **Detects component magnetization** — essential diagnostic tool for watchmakers to check if parts are magnetized
## Specifications
| Parameter | Value |
| --- | --- |
| **Brand** | Bergeon |
| **Model** | 30103 |
| **Origin** | Made in Switzerland |
| **Pivot** | Sapphire jewel on hardened steel point |
| **Body** | Chromium-plated brass |
| **Dial** | Engraved, Ø 13 mm |
| **Principle** | Magnetic attraction/repulsion detection |
| **Condition** | Brand New In Original Packing |
## Applications
- Detecting magnetization in watch components and movements
- Diagnosing magnetized balance staffs, hairsprings, and escapement parts
- Professional watchmaker and repair technician diagnostic tool supply
- Watch repair workshop and service center equipment
- Quality control inspection of new and serviced watch movements
## FAQ
**Q1: Is this a genuine Bergeon compass?**
A: Yes — this is a **genuine Bergeon 30103 compass with case**, made in Switzerland and brand new in original packing. It is not a generic or third-party copy.
**Q2: How does the magnetic compass work?**
A: When one end of the **compass needle is attracted and the other repelled**, the tested object is magnetized. If the needle is **attracted at both ends**, there is no magnetism present.
**Q3: What makes it a precision tool?**
A: The **sapphire jewel on hardened steel point** provides a precision pivot — ensuring smooth, friction-free needle movement for accurate magnetic readings. The **chromium-plated brass** body ensures durability.
## 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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Used to\u00a0detect magnetization in watch components\u00a0\u2014 a needle attracted at one end and repelled at the other indicates magnetism; attracted at both ends means no magnetism. An essential diagnostic tool for certified watchmakers and repair technicians. Features & Function Genuine Bergeon compass\u00a0\u2014 Swiss-made, brand new in original packing, not a generic copy Sapphire jewel on hardened steel point\u00a0\u2014 precision jewelled pivot for smooth, friction-free needle movement Chromium-plated brass body\u00a0\u2014 durable, corrosion-resistant professional-grade construction Engraved 13 mm dial\u00a0\u2014 clear, precise graduation for accurate magnetic reading Detects component magnetization\u00a0\u2014 essential diagnostic tool for watchmakers to check if parts are magnetized Specifications Parameter Value Brand Bergeon Model 30103 Origin Made in Switzerland Pivot Sapphire jewel on hardened steel point Body Chromium-plated brass Dial Engraved, \u00d8 13 mm Principle Magnetic attraction/repulsion detection Condition Brand New In Original Packing Applications Detecting magnetization in watch components and movements Diagnosing magnetized balance staffs, hairsprings, and escapement parts Professional watchmaker and repair technician diagnostic tool supply Watch repair workshop and service center equipment Quality control inspection of new and serviced watch movements FAQ Q1: Is this a genuine Bergeon compass? A: Yes \u2014 this is a\u00a0genuine Bergeon 30103 compass with case, made in Switzerland and brand new in original packing. It is not a generic or third-party copy. Q2: How does the magnetic compass work? A: When one end of the\u00a0compass needle is attracted and the other repelled, the tested object is magnetized. If the needle is\u00a0attracted at both ends, there is no magnetism present. Q3: What makes it a precision tool? A: The\u00a0sapphire jewel on hardened steel point\u00a0provides a precision pivot \u2014 ensuring smooth, friction-free needle movement for accurate magnetic readings. The\u00a0chromium-plated brass\u00a0body ensures durability. 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. 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Features & Function Genuine Bergeon compass\u00a0\u2014 Swiss-made, brand new in original packing, not a generic copy Sapphire jewel on hardened steel point\u00a0\u2014 precision jewelled pivot for smooth, friction-free needle movement Chromium-plated brass body\u00a0\u2014 durable, corrosion-resistant professional-grade construction Engraved 13 mm dial\u00a0\u2014 clear, precise graduation for accurate magnetic reading Detects component magnetization\u00a0\u2014 essential diagnostic tool for watchmakers to check if parts are magnetized Specifications Parameter Value Brand Bergeon Model 30103 Origin Made in Switzerland Pivot Sapphire jewel on hardened steel point Body Chromium-plated brass Dial Engraved, \u00d8 13 mm Principle Magnetic attraction/repulsion detection Condition Brand New In Original Packing Applications Detecting magnetization in watch components and movements Diagnosing magnetized balance staffs, hairsprings, and escapement parts Professional watchmaker and repair technician diagnostic tool supply Watch repair workshop and service center equipment Quality control inspection of new and serviced watch movements FAQ Q1: Is this a genuine Bergeon compass? A: Yes \u2014 this is a\u00a0genuine Bergeon 30103 compass with case, made in Switzerland and brand new in original packing. It is not a generic or third-party copy. Q2: How does the magnetic compass work? A: When one end of the\u00a0compass needle is attracted and the other repelled, the tested object is magnetized. If the needle is\u00a0attracted at both ends, there is no magnetism present. Q3: What makes it a precision tool? A: The\u00a0sapphire jewel on hardened steel point\u00a0provides a precision pivot \u2014 ensuring smooth, friction-free needle movement for accurate magnetic readings. The\u00a0chromium-plated brass\u00a0body ensures durability. 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. 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