---
description: Genuine ISA 8171 10H wheel, Swiss made. Designed to drive the 10 o'clock 30-minute chronograph totalizer hand as a core chronograph transmission component.
title: ISA 8171 Movement 10H Wheel - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/05/817110H.jpg
---
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- **ISA 8171 Movement 10H Wheel**
[](https://www.soflypart.com/wp-content/uploads/2019/05/817110H.jpg)
# ISA 8171 Movement 10H 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 10H Wheel quantity
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## Product Description
This is a **genuine ISA 10H 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 **30-minute chronograph totalizer at 10 o’clock**, transmitting power to the chronograph minute hand as one of the core transmission components of the chronograph function. 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 variants)
- **Part Name**：**10H Wheel** (30-minute chronograph totalizer drive at 10 o’clock)
- **Origin**：**Made in Switzerland**
- **Quality**：**Genuine original**, brand new
- **Function**：Drives the **30-minute chronograph totalizer hand at 10 o’clock**
- **Movement Size**：**11½ ligne** (25.6mm)
- **Movement Height**：**3.70mm**
- **Battery**：**395** (SR927SW)
- **Function Type**：**Chronograph** (1/5 sec, 2‑eye layout: 60s counter at 2H, 30min totalizer at 10H)
## FAQ
**1. Is this 10H wheel an original ISA genuine part?**
Yes. It is an **original ISA factory part**, **made in Switzerland**.
**3. What happens if the 10H wheel is damaged?**
The 10H wheel drives the **30-minute chronograph totalizer at 10 o’clock**. Damage can cause the **chronograph minute hand to stop or accumulate incorrectly**, affecting the chronograph function. As a **continuously driven component** in the chronograph mechanism, **timely replacement** is recommended.
**4. Does this part come with installation tools or instructions?**
**No**. This is a single precision component. Installation requires professional tools and disassembly of the chronograph mechanism; work 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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It serves as the drive component for the\u00a030-minute chronograph totalizer at 10 o'clock, transmitting power to the chronograph minute hand as one of the core transmission components of the chronograph function. 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 variants) Part Name\uff1a10H Wheel\u00a0(30-minute chronograph totalizer drive at 10 o'clock) Origin\uff1aMade in Switzerland Quality\uff1aGenuine original, brand new Function\uff1aDrives the\u00a030-minute chronograph totalizer hand at 10 o'clock Movement Size\uff1a11\u00bd ligne\u00a0(25.6mm) Movement Height\uff1a3.70mm Battery\uff1a395\u00a0(SR927SW) Function Type\uff1aChronograph\u00a0(1/5 sec, 2\u2011eye layout: 60s counter at 2H, 30min totalizer at 10H) FAQ 1. Is this 10H wheel an original ISA genuine part? Yes. 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