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SEIKO (SII) NH16 is an automatic mechanical caliber with day-date display, 21 jewels, and 21,600 bph (3 Hz) frequency. Compact and durable, ideal for new builds and replacements.
Model: SEIKO (SII) NH16
Type: Automatic mechanical movement
Functions: Day-date display
Jewels: 21
Frequency: 21,600 bph (3 Hz)
Features: Stable performance, durable
Suitable For: New builds / replacement
Origin: Genuine Hattori
Condition: Brand new
1. Is it genuine?
Yes, genuine Hattori, brand new.
2. How is the quality?
SEIKO/SII quality, 21 jewels, stable and durable.
3. What is it suitable for?
Ideal for new watch projects and replacement needs.
Fast Worldwide Shipping – Orders are dispatched within 3 business days.
Competitive Pricing – Great value across watch movements, replacement parts and watchmaking tools.
Extensive Selection – More than 3,000 watch movements, parts and accessories available.
Trusted Worldwide – Trusted by watchmakers, repair professionals and watch enthusiasts worldwide.
Personalized Sourcing – Can’t find the part you need? Contact [email protected] or WhatsApp +86 18620212114.







