---
description: "Genuine Seiko NH39 24-hour wheel #0157184 for automatic movement. Restores subdial day/night indicator function. Japanese quality."
title: "SEIKO (SII) NH39 24 Hour Wheel #0157184 - Sofly"
image: https://www.soflypart.com/wp-content/uploads/2019/05/NH3911H.jpg
---
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- **SEIKO (SII) NH39 24 Hour Wheel #0157184**
[](https://www.soflypart.com/wp-content/uploads/2019/05/NH3911H.jpg)
# SEIKO (SII) NH39 24 Hour Wheel #0157184
$2.00
You Saved
| Brand | Choose an option SEIKO- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $2.00 |
| 3 - 4 | 5% | $1.90 |
| 5 - 9 | 7% | $1.86 |
| 10 - 14 | 10% | $1.80 |
| 15+ | 15% | $1.70 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $2.00 |
| 3 - 4 | 5% | $1.90 |
| 5 - 9 | 7% | $1.86 |
| 10 - 14 | 10% | $1.80 |
| 15+ | 15% | $1.70 |
SEIKO (SII) NH39 24 Hour Wheel #0157184 quantity
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## Product Description
The **SEIKO (SII) NH39 24 Hour Wheel (#0157184)** is a genuine Japanese-made component for the Seiko NH39 automatic movement . This wheel drives the **24‑hour subdial** (often positioned near 10:30 or 12 o’clock), enabling a day/night indicator or second time‑zone reference without requiring a separate GMT hand . As an original factory part, it is the ideal choice for replacing worn or damaged 24‑hour wheels during movement service or repair.
## Features & Function
- **Genuine Seiko/SII part** – authentic Japanese‑made component for the NH39 movement
- **24‑hour indicator drive** – powers the 24‑hour subdial for day/night or second time‑zone display
- **NH39 specific** – designed for the open‑heart NH39 caliber, which features a 24‑hour subdial layout
- **Direct replacement** – drop‑in replacement for worn or damaged 24‑hour wheels
## Specifications
- **Part Number**: 0157184
- **Compatible Movement**: Seiko NH39
- **Movement Base**: NH35A (variant with 24‑hour complication)
- **Movement Frequency**: 21,600 vph (3 Hz)
- **Jewels**: 24
- **Power Reserve**: \~41 hours
- **Features**: Hacking (seconds stop), hand‑winding, 24‑hour subdial, open‑heart balance display
- **Origin**: Japan
## Applications
- **Service and overhaul** – replacing worn or damaged 24‑hour wheels in NH39 movements
- **Movement restoration** – restoring proper 24‑hour subdial function after prolonged use or impact damage
- Suitable for **professional watchmakers** and **experienced repair technicians**
## FAQs
**1. Is this a genuine Seiko/SII part?**
Yes, this is a **genuine Seiko (SII/TMI) factory part** made in Japan. The NH39 is manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI) .
**2. Which movements is this 24‑hour wheel compatible with?**
This 24‑hour wheel is specifically designed for the **Seiko NH39** movement. The NH39 is based on the NH35A caliber with the addition of a 24‑hour complication and open‑heart balance display . It is not compatible with standard NH35/NH36 movements.
**3. What are the signs that the 24‑hour wheel needs replacement?**
Common signs include **the 24‑hour hand not advancing correctly, stopping, or becoming misaligned** with the main hour hand. A qualified watchmaker can diagnose these issues during servicing.
## 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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As an original factory part, it is the ideal choice for replacing worn or damaged 24\u2011hour wheels during movement service or repair. 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Is this a genuine Seiko/SII part? Yes, this is a\u00a0genuine Seiko (SII/TMI) factory part\u00a0made in Japan. The NH39 is manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI)\u00a0. 2. Which movements is this 24\u2011hour wheel compatible with? This 24\u2011hour wheel is specifically designed for the\u00a0Seiko NH39\u00a0movement. The NH39 is based on the NH35A caliber with the addition of a 24\u2011hour complication and open\u2011heart balance display\u00a0. It is not compatible with standard NH35/NH36 movements. 3. What are the signs that the 24\u2011hour wheel needs replacement? Common signs include\u00a0the 24\u2011hour hand not advancing correctly, stopping, or becoming misaligned\u00a0with the main hour hand. A qualified watchmaker can diagnose these issues during servicing. 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. 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