---
description: Genuine ISA 8171 6H wheel, Swiss made. Designed to drive the 6 o'clock date or moon phase display as a core calendar/moon phase transmission component.
title: ISA 8171 Movement 6H Wheel - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/05/81716H.jpg
---
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- **ISA 8171 Movement 6H Wheel**
[](https://www.soflypart.com/wp-content/uploads/2019/05/81716H.jpg)
# ISA 8171 Movement 6H Wheel
$1.50
You Saved
| Brand | Choose an option ISA- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $1.50 |
| 3 - 4 | 5% | $1.43 |
| 5 - 9 | 7% | $1.40 |
| 10 - 14 | 10% | $1.35 |
| 15+ | 15% | $1.28 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $1.50 |
| 3 - 4 | 5% | $1.43 |
| 5 - 9 | 7% | $1.40 |
| 10 - 14 | 10% | $1.35 |
| 15+ | 15% | $1.28 |
ISA 8171 Movement 6H Wheel quantity
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## Product Description
This is a **genuine ISA 6H wheel** for the **8171 movement**, **made in Switzerland**, designed specifically for the **ISA 8171 quartz chronograph caliber**. It serves as the drive component for the **6 o’clock subdial**, typically powering the **date wheel or moon phase display** depending on the specific vari ant. This product is **brand new and original**, not a generic replacement part.
## Specifications
- **Brand**：ISA (Swiss)
- **Compatible Movement**：**8171** quartz chronograph movement (including 8171/201, 8171/202, 8171/203, 8171/204 variants)
- **Part Name**：**6H Wheel** (6 o’clock subdial drive)
- **Origin**：**Made in Switzerland**
- **Quality**：**Genuine original**, brand new
- **Function**：Drives the **6 o’clock date or moon phase display** (varies by sub-version)
- **Movement Size**：**11½ ligne** (25.6mm)
- **Movement Height**：**3.70mm**
## FAQ
**1. Is this 6H wheel an original ISA genuine part?**
Yes. It is an **original ISA factory part**, **made in Switzerland**. ISA is a Swiss quartz movement manufacturer, and the 8171 caliber is widely used in various chronograph watches.
**2. What happens if the 6H wheel is damaged?**
The 6H wheel drives the **6 o’clock subdial**. Damage can cause the **date to fail to advance, moon phase to stop or misread**, affecting the calendar/moon phase function. As a **continuously driven component**, **timely replacement** is recommended.
**3. Does this part come with installation tools or instructions?**
**No**. This is a single precision component. Installation involves calendar/moon phase disassembly and should be performed by a **qualified watchmaker**.
## Why Choose SOFLY Watch Parts?
**Fast Worldwide Shipping** – Orders are dispatched within 3 business days.
**Competitive Pricing** – Great value across watch movements, replacement parts and watchmaking tools.
**Extensive Selection** – More than 3,000 watch movements, parts and accessories available.
**Trusted Worldwide** – Trusted by watchmakers, repair professionals and watch enthusiasts worldwide.
**Personalized Sourcing** – Can’t find the part you need? Contact **info@soflypart.com** or WhatsApp **+86 18620212114.**
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This product is\u00a0brand new and original, not a generic replacement part. Specifications Brand\uff1aISA (Swiss) Compatible Movement\uff1a8171\u00a0quartz chronograph movement (including 8171/201, 8171/202, 8171/203, 8171/204 variants) Part Name\uff1a6H Wheel\u00a0(6 o'clock subdial drive) Origin\uff1aMade in Switzerland Quality\uff1aGenuine original, brand new Function\uff1aDrives the\u00a06 o'clock date or moon phase display\u00a0(varies by sub-version) Movement Size\uff1a11\u00bd ligne\u00a0(25.6mm) Movement Height\uff1a3.70mm FAQ 1. Is this 6H wheel an original ISA genuine part? Yes. It is an\u00a0original ISA factory part,\u00a0made in Switzerland. ISA is a Swiss quartz movement manufacturer, and the 8171 caliber is widely used in various chronograph watches. 2. What happens if the 6H wheel is damaged? The 6H wheel drives the\u00a06 o'clock subdial. Damage can cause the\u00a0date to fail to advance, moon phase to stop or misread, affecting the calendar/moon phase function. 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