The Complete Watch Glossary
Author: Funny Items
Release time: 2026-08-25 00:58:27
View number: 13
The Complete Glossary
Every watch term defined in one place. Keep this reference handy.
Movement
- NH35: Seiko automatic, 3-hand date
- NH34: Seiko automatic, GMT
- VK63: Seiko mecha-quartz chrono
- Beat rate: oscillation frequency
- Power reserve: runtime after full wind
Case
- Lug-to-lug: total height
- Diameter: width across dial
- Thickness: caseback to crystal
Quality
- Applied indices: physical markers — premium
- AR coating: anti-reflective
- Screw-down crown: water resistance seal
Frequently Asked Questions
What does COSC mean?
Swiss accuracy certification. See our COSC guide.
What is "Swiss Made"?
See our Swiss Made guide.