---
description: Genuine Seiko NH35/NH36/NH37 balance complete with stud 0310183. Japanese-made balance assembly for automatic movement repair and restoration.
title: "SEIKO (SII) NH35/NH36/NH37 Balance Complete With Stud #0310183 - Sofly"
image: https://www.soflypart.com/wp-content/uploads/2019/06/NH36-balance.jpg
---
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- **SEIKO (SII) NH35/NH36/NH37 Balance Complete With Stud #0310183**
[](https://www.soflypart.com/wp-content/uploads/2019/06/NH36-balance.jpg)
[](https://www.soflypart.com/wp-content/uploads/2019/06/nh36b.jpg)
# SEIKO (SII) NH35/NH36/NH37 Balance Complete With Stud #0310183
$9.00
You Saved
| Brand | Choose an option SEIKO- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $9.00 |
| 3 - 4 | 5% | $8.55 |
| 5 - 9 | 7% | $8.37 |
| 10 - 14 | 10% | $8.10 |
| 15+ | 15% | $7.65 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $9.00 |
| 3 - 4 | 5% | $8.55 |
| 5 - 9 | 7% | $8.37 |
| 10 - 14 | 10% | $8.10 |
| 15+ | 15% | $7.65 |
SEIKO (SII) NH35/NH36/NH37 Balance Complete With Stud #0310183 quantity
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## Product Description
The **SEIKO (SII) NH35/NH36/NH37 Balance Complete With Stud (0310183)** is a genuine Seiko balance assembly for the NH35, NH36, and NH37 automatic movements. This complete unit includes the balance wheel, hairspring, and stud, and is factory-assembled in Japan to original Seiko specifications. It is designed for watchmakers to replace a damaged or worn balance during movement servicing or repair.
## Features & Function
- **Genuine Seiko part** – authentic Japanese-made component for NH35, NH36, and NH37 movements
- **Complete balance assembly** – includes balance wheel, hairspring, and stud, ready for installation
- **Precision-engineered** – manufactured with Seiko’s quality standards for reliable timekeeping
- **Factory-assembled** – assembled to original Seiko specifications for correct timing
- **Drop-in replacement** – direct replacement for the original balance assembly
## Specifications
- **Part Number**: 0310183
- **Compatible Movements**: Seiko NH35, NH36, NH37
- **Movement Frequency**: 21,600 vibrations per hour (3 Hz)
- **Jewels**: 24 jewels
- **Power Reserve**: >41 hours
- **Shock Protection**: Seiko Diashock system
- **Origin**: Japan (Seiko / TMI)
- **Condition**: Brand new
## Applications
- **Service and overhaul** of Seiko NH35, NH36, and NH37 movements
- **Balance assembly replacement** – replacing damaged, broken, or worn balance wheels and hairsprings
- **Timekeeping restoration** – restoring correct amplitude and rate to the movement
- Suitable for **professional watchmakers** and **experienced watch repair technicians**
## FAQs
**1. Is this a genuine Seiko / SII part?**
Yes, this is a **genuine Seiko (TMI) factory part** made in Japan. It is not an aftermarket or generic copy.
**2. Which movements does this balance complete fit?**
It fits **NH35, NH36, and NH37** movements. The NH series are based on the NH35 caliber with differences mostly related to day/date complications.
**3. What are the main differences between NH35, NH36, and NH37?**
The differences are mostly related to day/date complications. NH35 has date only, NH36 has day and date, and NH37 has date plus a 24-hour indicator.
## 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 complete unit includes the balance wheel, hairspring, and stud, and is factory-assembled in Japan to original Seiko specifications. It is designed for watchmakers to replace a damaged or worn balance during movement servicing or repair. 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