---
description: "Genuine Seiko NH37 24-hour wheel #0157182 for automatic movement. Restores subdial AM/PM indicator function. Japanese quality."
title: "SEIKO (SII) NH37 24 Hour Wheel #0157182 - Sofly"
image: https://www.soflypart.com/wp-content/uploads/2019/05/NH3711H.jpg
---
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- **SEIKO (SII) NH37 24 Hour Wheel #0157182**
[](https://www.soflypart.com/wp-content/uploads/2019/05/NH3711H.jpg)
# SEIKO (SII) NH37 24 Hour Wheel #0157182
$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) NH37 24 Hour Wheel #0157182 quantity
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## Product Description
The **SEIKO (SII) NH37 24 Hour Wheel (#0157182)** is a genuine Japanese-made component for the NH37 automatic movement. This wheel drives the **24-hour subdial** (commonly positioned near 10:30 or 12 o’clock), enabling a day/night or AM/PM indicator that follows the main hour 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 NH37 movement
- **24‑hour indicator drive** – powers the 24‑hour subdial for day/night or AM/PM display
- **NH37 specific** – designed for the NH37 caliber, which features a 24‑hour subdial and date function
- **Direct replacement** – drop‑in replacement for worn or damaged 24‑hour wheels
## Specifications
- **Part Number**: 0157182
- **Compatible Movement**: Seiko NH37 (also known as 4R37)
- **Movement Base**: NH35A (variant with 24‑hour complication and date)
- **Movement Frequency**: 21,600 vph (3 Hz)
- **Jewels**: 24
- **Power Reserve**: >41 hours
- **Features**: Hacking (seconds stop), hand‑winding, 24‑hour subdial, date function
- **Origin**: Japan
## Applications
- **Service and overhaul** – replacing worn or damaged 24‑hour wheels in NH37 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 NH37 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 NH37** movement. The NH37 is based on the NH35A caliber with the addition of a 24‑hour complication and date function. The 24‑hour hand follows the main hour hand and is **not independently adjustable**.
**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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Features & Function Genuine Seiko/SII part\u00a0\u2013 authentic Japanese\u2011made component for the NH37 movement 24\u2011hour indicator drive\u00a0\u2013 powers the 24\u2011hour subdial for day/night or AM/PM display NH37 specific\u00a0\u2013 designed for the NH37 caliber, which features a 24\u2011hour subdial and date function Direct replacement\u00a0\u2013 drop\u2011in replacement for worn or damaged 24\u2011hour wheels Specifications Part Number: 0157182 Compatible Movement: Seiko NH37 (also known as 4R37) Movement Base: NH35A (variant with 24\u2011hour complication and date) Movement Frequency: 21,600 vph (3 Hz) Jewels: 24 Power Reserve: >41 hours Features: Hacking (seconds stop), hand\u2011winding, 24\u2011hour subdial, date function Origin: Japan Applications Service and overhaul\u00a0\u2013 replacing worn or damaged 24\u2011hour wheels in NH37 movements Movement restoration\u00a0\u2013 restoring proper 24\u2011hour subdial function after prolonged use or impact damage Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. 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Trusted by watchmakers worldwide. Personalized sourcing support via\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2019/05/NH3711H-150x150.jpg","offers":{"@type":"Offer","description":"Product Description The\u00a0SEIKO (SII) NH37 24 Hour Wheel (#0157182)\u00a0is a genuine Japanese-made component for the NH37 automatic movement. This wheel drives the\u00a024-hour subdial\u00a0(commonly positioned near 10:30 or 12 o'clock), enabling a day/night or AM/PM indicator that follows the main hour 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\u00a0\u2013 authentic Japanese\u2011made component for the NH37 movement 24\u2011hour indicator drive\u00a0\u2013 powers the 24\u2011hour subdial for day/night or AM/PM display NH37 specific\u00a0\u2013 designed for the NH37 caliber, which features a 24\u2011hour subdial and date function Direct replacement\u00a0\u2013 drop\u2011in replacement for worn or damaged 24\u2011hour wheels Specifications Part Number: 0157182 Compatible Movement: Seiko NH37 (also known as 4R37) Movement Base: NH35A (variant with 24\u2011hour complication and date) Movement Frequency: 21,600 vph (3 Hz) Jewels: 24 Power Reserve: >41 hours Features: Hacking (seconds stop), hand\u2011winding, 24\u2011hour subdial, date function Origin: Japan Applications Service and overhaul\u00a0\u2013 replacing worn or damaged 24\u2011hour wheels in NH37 movements Movement restoration\u00a0\u2013 restoring proper 24\u2011hour subdial function after prolonged use or impact damage Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. 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