Category: Seiko Mod Guide
Compare Miyota 8215 vs 9015 movements. Detailed specs, features, and honest recommendations to help you decide if the upgrade is worth the extra cost.
Seiko NH36 vs NH36A: Key Differences Explained for 2025
Posted by on December 02, 2025
Understand the real differences between Seiko NH36 and NH36A movements. Complete technical comparison covering specs, compatibility, and which to choose for your mod project.
Seiko Mod Watches Explained: Everything You Need to Know
Posted by on December 01, 2025
Discover what Seiko mod watches are, why they use Japanese movements, and how to evaluate quality. Complete guide to NH35, NH34, VK63 movements and mod watch types.
Seiko NH39 vs NH38: Complete Movement Comparison Guide
Posted by on November 28, 2025
Complete Seiko NH39 vs NH38 comparison: Learn identical specs (24 jewels, 41hr reserve, no-date), key differences (open-heart vs standard design), modding applications, pricing, which to choose. Ex...
Seiko NH70 Movement Guide: Skeleton Automatic Specs & Review
Posted by on November 27, 2025
Complete Seiko NH70/NH70A skeleton movement guide. Learn NH70 specifications, whether NH70 has date function, NH70 vs NH72 vs NH35 comparison, skeleton movement pros and cons, and whether NH70A de...
Seiko 4R36 Movement: Complete Day-Date Automatic Guide
Posted by on November 25, 2025
Complete guide to Seiko's 4R36 day-date automatic movement. Learn how 4R36 differs from 4R35, technical specifications, day complication functionality, where it appears in Seiko collections, accura...
Seiko SKX007 Movement: Complete 7S26 Caliber Technical Guide
Posted by on November 25, 2025
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
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...