---
description: Genuine ISA 8171 2H wheel, Swiss made. Designed to drive the 2 o'clock 60-second small seconds hand as a core chronograph transmission component.
title: ISA 8171 Movement 2H Wheel - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/05/81712H.jpg
---
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- **ISA 8171 Movement 2H Wheel**
[](https://www.soflypart.com/wp-content/uploads/2019/05/81712H.jpg)
# ISA 8171 Movement 2H 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 2H Wheel quantity
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## Product Description
This is a **genuine ISA 2H 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 **60-second small seconds subdial at 2 o’clock**, powering the small seconds hand as one of the core transmission components for proper 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, /202, /203, /204 variants)
- **Part Name**：**2H Wheel** (60-second small seconds drive at 2 o’clock)
- **Origin**：**Made in Switzerland**
- **Quality**：**Genuine original**, brand new
- **Function**：Drives the **60-second small seconds hand at 2 o’clock**
- **Movement Size**：**11½ ligne** (25.6mm)
- **Movement Height**：**3.70mm**
- **Battery**：**395** (SR927SW)
- **Layout**：**3-eye chronograph** (60s counter at 2H, date/moon at 6H, 30min totalizer at 10H)
## FAQ
**1. Is this 2H wheel an original ISA genuine part?**
Yes. It is an **original ISA factory part**, **made in Switzerland**.
**2. What happens if the 2H wheel is damaged?**
The 2H wheel drives the **60-second small seconds at 2 o’clock**. Damage can cause the **small seconds hand to stop or run incorrectly**, affecting chronograph display. **Timely replacement** is recommended.
**3. Does this part come with installation tools or instructions?**
**No**. This is a single precision component. Installation requires professional tools; 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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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, /202, /203, /204 variants) Part Name\uff1a2H Wheel\u00a0(60-second small seconds drive at 2 o'clock) Origin\uff1aMade in Switzerland Quality\uff1aGenuine original, brand new Function\uff1aDrives the\u00a060-second small seconds hand at 2 o'clock Movement Size\uff1a11\u00bd ligne\u00a0(25.6mm) Movement Height\uff1a3.70mm Battery\uff1a395\u00a0(SR927SW) Layout\uff1a3-eye chronograph\u00a0(60s counter at 2H, date/moon at 6H, 30min totalizer at 10H) FAQ 1. Is this 2H wheel an original ISA genuine part? Yes. It is an\u00a0original ISA factory part,\u00a0made in Switzerland. 2. What happens if the 2H wheel is damaged? The 2H wheel drives the\u00a060-second small seconds at 2 o'clock. 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