Seiko Mod Guide
What Is a Seiko Mod Watch? A Complete Beginner’s Guide (2026)
Discover what Seiko mod watches are, why they're popular, and how they compare to original timepieces. Complete guide to custom Seiko modifications with expert insights.
What is Seiko 5 GMT? Complete Guide to 4R34 Movement
Learn what Seiko 5 GMT is: 4R34 caller GMT movement explained, SSK001/SSK003/SSK005 specs, how to use GMT function, caller vs true GMT differences. Complete 2026 guide to Seiko 5 Sports GMT watches.
Seiko 4R38 vs 4R36: Open-Heart Movement Differences
Compare Seiko 4R38 vs 4R36 movements: open-heart vs closed dial, 23 vs 24 jewels, Presage vs Seiko 5 applications, price differences, specifications. Which Seiko movement is better? Complete 2026 comparison guide.
What is Seiko NH72 Movement? Complete Caliber Guide
Learn what Seiko NH72 movement is: skeleton-dial automatic caliber explained, NH72 vs NH35 differences, technical specs, applications, service requirements. Complete 2026 NH72 guide.
What is Seiko 4R38 Movement? Open-Heart Caliber Guide
Learn what Seiko 4R38 movement is: 23-jewel open-heart caliber explained, 4R38 vs 4R36 differences, Presage Cocktail Time applications, technical specs, how open-heart works. Complete 2026 guide.
What is an Automatic Watch? Complete Guide 2026
Learn what an automatic watch is, how it works, and why collectors love them. Complete 2026 guide covering movements, maintenance, pros/cons, and buying advice.
Seiko Mods vs Seiko Watches: Price, Specs & Value (2026)
Complete 2026 comparison of Seiko mods vs official Seiko watches: NH35 vs 4R36 movements, sapphire vs Hardlex crystals, ceramic vs aluminum bezels. Discover which offers better value for your budget.
Quartz Movement: What It Is and How It Works 2026
| Learn what a quartz movement is and how it works: battery, crystal oscillator, IC chip, stepper motor. Compare types, specs, and popular calibers like Miyota, Seiko VK63, and Grand Seiko 9F. |
Seiko NH Movements Guide: Specs, Differences, and How to Choose
This guide explains each NH caliber, their practical differences, and how to choose the right one for your watch project or purchase.