Seiko Mod Guide
Seiko SKX007 Movement: Complete 7S26 Caliber Technical Guide
The Seiko SKX007 houses the legendary Caliber 7S26-0020 automatic movement—a 21-jewel workhorse featuring 41-hour power reserve, 21,600 bph beat rate, and Seiko's Magic Lever bi-directional winding.
Are Seiko or Miyota Movements Better? Complete Comparison Guide
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 better value for different use cases.