SEIKO (SII) NH35/NH36/NH37 Balance Complete With Stud #0310183

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 [email protected] or WhatsApp +86 18620212114.