Category: Seiko Movement
Discover the Seiko 4R35 automatic movement—Seiko's workhorse caliber powering Presage, Prospex, and 5 Sports collections. Complete guide covering specs, 4R35 vs NH35 differences, reliability, and b...
Grand Seiko Movement Guide: 9S vs 9R vs 9F Complete Comparison
Posted by on November 24, 2025
Complete guide to Grand Seiko's three movement technologies. Learn about 9S mechanical movements (Hi-Beat 36,000 vph), 9R Spring Drive hybrid calibers, 9F quartz accuracy, what makes Grand Seiko mo...
Seiko VK64 Movement: Complete Meca-Quartz Guide
Posted by on November 24, 2025
Discover the Seiko VK64 meca-quartz chronograph movement with 6-12 subdial configuration. Complete guide covering specs, hybrid technology, best watches using VK64, and why it's ideal for extend...
What is the Most Accurate Movement on a Seiko Watch
Posted by on November 24, 2025
Discover which Seiko movement delivers the best accuracy. Complete comparison of Seiko mechanical, Spring Drive, and quartz movements covering 9S85 Grand Seiko, 9F quartz, Spring Drive 9R, and how ...
Are Seiko or Miyota Movements Better? Complete Comparison Guide
Posted by on November 24, 2025
Compare Seiko and Miyota automatic movements to find which suits your needs. Complete analysis covering NH35 vs 8215, accuracy, features, pricing, parts ecosystem, and which movement delivers bette...
Seiko NH35A Movement: Complete Automatic Movement Guide
Posted by on November 24, 2025
Discover the Seiko NH35A automatic movement—the modder's choice for custom watch builds. Complete guide covering specs, NH35A vs NH35 vs 4R35 differences, parts compatibility, reliability, and why ...
What is the Seiko NH70 Movement? Complete Technical Guide for 2025
Posted by on November 24, 2025
Learn everything about the Seiko NH70 movement: specifications, how it works, NH70 vs NH35 comparison, advantages, disadvantages, and which watches use it.
Seiko NH39 Movement: Complete Open Heart Movement Guide
Posted by on November 22, 2025
Discover the Seiko NH39 open heart movement with visible balance wheel at 9 o'clock. Complete guide covering specs, NH39 vs NH38 differences, best open heart watches, and modding tips.
Seiko NH36 Movement: Everything You Need to Know
Posted by on November 21, 2025
Complete technical guide to the Seiko NH36 movement. Learn specifications, reliability, accuracy, and why it's the most popular choice for watch modding in 2025.
Seiko NH35 vs NH70: Which Movement Is Better in 2025?
Posted by on November 20, 2025
NH35 vs NH70 movement comparison: specs, accuracy, thickness, and price differences. Which Seiko movement should you choose in 2025?
What Is the Best Seiko Movement to Mod? Complete Guide in 2025
Posted by on November 20, 2025
Compare NH35, NH36, NH34, NH38, and NH70 Seiko movements for watch modding. Learn which movement is best for your build with detailed specs and use cases.
Seiko 6309 Movement: The Vintage Diver Workhorse
Posted by on November 19, 2025
Complete guide to the Seiko 6309 movement: vintage dive watch caliber (1976-1988). Technical specs, collector value, and modern alternatives.