---
description: Genuine Seiko NH05/NH06 center wheel for compact automatic movement. Gear train component restores power transmission. Japanese quality.
title: SEIKO (SII) NH05/NH06 Center Wheel - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/05/NH05ZXL.jpg
---

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- **SEIKO (SII) NH05/NH06 Center Wheel**

[![SEIKO (SII) NH05/NH06 Center Wheel](https://www.soflypart.com/wp-content/uploads/2019/05/NH05ZXL.jpg.webp)](https://www.soflypart.com/wp-content/uploads/2019/05/NH05ZXL.jpg)

# SEIKO (SII) NH05/NH06 Center Wheel

$1.50  
You Saved

| Brand | Choose an option SEIKO<ul><li>![SEIKO](https://www.soflypart.com/wp-content/uploads/2023/06/42.jpg)</li></ul>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 |

SEIKO (SII) NH05/NH06 Center Wheel quantity

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- Covers 99% of Repair Needs

- Wholesale Discounts

- Fast Global Shipping

- 24/7 Customer Support

## Product Description

The **SEIKO (SII) NH05/NH06 Center Wheel** is a genuine Japanese-made component for these compact automatic movements. As a core part of the gear train, the center wheel connects the mainspring barrel to the rest of the movement, transmitting energy to drive the hands for accurate timekeeping . This brand new original part is essential for watchmakers restoring proper power transmission when the original center wheel becomes worn or damaged.

## Features & Function

- **Genuine Seiko/SII part** – authentic Japanese-made component for NH05 and NH06 movements
- **Gear train component** – connects the mainspring barrel to drive the hands
- **NH family compatibility** – designed for the compact 7¾”’ NH05 and NH06 calibers
- **Direct replacement** – drop-in replacement for worn or damaged center wheels

## Specifications

- **Part Number**: Please verify with supplier (refers to standard NH05/NH06 center wheel)
- **Compatible Movements**: Seiko NH05 (date), NH06 (day-date)
- **Movement Family**: NH0 Series
- **Movement Size**: 7¾”’ (approx. 17.5mm)
- **Movement Height**: 5.92mm
- **Jewels**: 21
- **Frequency**: 21,600 vph (3 Hz)
- **Power Reserve**: >40 hours
- **Origin**: Japan

## Applications

- **Service and overhaul** – replacing worn or damaged center wheels in NH05/NH06 movements
- **Gear train restoration** – ensuring proper power transmission for accurate timekeeping
- 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 NH05 and NH06 are manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI) .

**2. Which movements is this center wheel compatible with?**

This center wheel is designed for **Seiko NH05 and NH06** movements. The NH05 features a date display while the NH06 adds a day-date complication, but both share the same basic gear train architecture .

**3. What are the signs that the center wheel needs replacement?**

Common signs include **irregular timekeeping, low amplitude**, or **visible wear/damage** during movement inspection. A qualified watchmaker can diagnose these issues.

## 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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This brand new original part is essential for watchmakers restoring proper power transmission when the original center wheel becomes worn or damaged. Features &amp; Function Genuine Seiko/SII part\u00a0\u2013 authentic Japanese-made component for NH05 and NH06 movements Gear train component\u00a0\u2013 connects the mainspring barrel to drive the hands NH family compatibility\u00a0\u2013 designed for the compact 7\u00be''' NH05 and NH06 calibers Direct replacement\u00a0\u2013 drop-in replacement for worn or damaged center wheels Specifications Part Number: Please verify with supplier (refers to standard NH05/NH06 center wheel) Compatible Movements: Seiko NH05 (date), NH06 (day-date) Movement Family: NH0 Series Movement Size: 7\u00be''' (approx. 17.5mm) Movement Height: 5.92mm Jewels: 21 Frequency: 21,600 vph (3 Hz) Power Reserve: &gt;40 hours Origin: Japan Applications Service and overhaul\u00a0\u2013 replacing worn or damaged center wheels in NH05/NH06 movements Gear train restoration\u00a0\u2013 ensuring proper power transmission for accurate timekeeping Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. Is this a genuine Seiko/SII part? Yes, this is a\u00a0genuine Seiko (SII/TMI) factory part\u00a0made in Japan. The NH05 and NH06 are manufactured by Seiko Instruments Inc. (SII) and distributed by Time Module Inc. (TMI)\u00a0. 2. Which movements is this center wheel compatible with? This center wheel is designed for\u00a0Seiko NH05 and NH06\u00a0movements. The NH05 features a date display while the NH06 adds a day-date complication, but both share the same basic gear train architecture\u00a0. 3. What are the signs that the center wheel needs replacement? Common signs include\u00a0irregular timekeeping, low amplitude, or\u00a0visible wear/damage\u00a0during movement inspection. A qualified watchmaker can diagnose these issues. 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\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2019/05/NH05ZXL-150x150.jpg","offers":{"@type":"Offer","description":"Product Description The\u00a0SEIKO (SII) NH05/NH06 Center Wheel\u00a0is a genuine Japanese-made component for these compact automatic movements. As a core part of the gear train, the center wheel connects the mainspring barrel to the rest of the movement, transmitting energy to drive the hands for accurate timekeeping\u00a0. This brand new original part is essential for watchmakers restoring proper power transmission when the original center wheel becomes worn or damaged. Features &amp; Function Genuine Seiko/SII part\u00a0\u2013 authentic Japanese-made component for NH05 and NH06 movements Gear train component\u00a0\u2013 connects the mainspring barrel to drive the hands NH family compatibility\u00a0\u2013 designed for the compact 7\u00be''' NH05 and NH06 calibers Direct replacement\u00a0\u2013 drop-in replacement for worn or damaged center wheels Specifications Part Number: Please verify with supplier (refers to standard NH05/NH06 center wheel) Compatible Movements: Seiko NH05 (date), NH06 (day-date) Movement Family: NH0 Series Movement Size: 7\u00be''' (approx. 17.5mm) Movement Height: 5.92mm Jewels: 21 Frequency: 21,600 vph (3 Hz) Power Reserve: &gt;40 hours Origin: Japan Applications Service and overhaul\u00a0\u2013 replacing worn or damaged center wheels in NH05/NH06 movements Gear train restoration\u00a0\u2013 ensuring proper power transmission for accurate timekeeping Suitable for\u00a0professional watchmakers\u00a0and\u00a0experienced repair technicians FAQs 1. 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