Why Seiko Movements Are the Best for Watch Modding
Author: Funny Items
Release time: 2026-08-19 20:13:21
View number: 17
The King of Modding
Seiko movements dominate the watch modding world. Here is why the NH35 and NH34 are the best choices for custom builds.
Reasons Seiko Movements Win
- Affordable NH35 costs $25-40, NH34 costs $35-55
- Reliable proven in millions of watches worldwide
- Parts availability dials, cases, hands all designed for Seiko
- Easy to service any watchmaker can work on them
- Upgradable 7S26 to NH35 is a simple swap
Seiko vs Other Movements
| Movement | Price | Mod Support | Accuracy |
|---|---|---|---|
| NH35 | $25-40 | Massive | -20/+40 sec/day |
| Miyota 8215 | $30-45 | Good | -20/+40 sec/day |
| ETA 2824 | $100-200 | Limited | -10/+20 sec/day |
The NH35 Advantage
The NH35 has hand-winding and hacking, which the older 7S26 lacked. It is the direct upgrade path for anyone modding older Seikos.
Frequently Asked Questions
Can I use other movements for modding?
Yes, but parts compatibility is much more limited. Seiko has the largest mod ecosystem.