Reference Library

NH34 vs DG3804 GMT Movement Comparison: Which GMT Movement Is Right for Your Build?
The NH34 and DG3804 are both automatic caller GMT movements — but they solve different problems. This guide compares them across ecosystem maturity, parts availability, build cost, long-term serviceability, and real-world testing to help builders choose the right GMT movement for their project. Leer más...
What Makes a Watch Feel Cohesive?
Cohesion is one of the least discussed but most important principles in watch design. This guide explores the factors that make a watch feel intentional rather than assembled — proportion, design language, color, movement selection, and restraint. Leer más...
Understanding Watch Dial Sizes: Why Dial Diameter Matters in Watch Design
Dial size is one of the most important dimensions in any watch build. This guide explains how watch dial sizes are measured, why they matter for both compatibility and design, common sizes used in modern watchmaking, and how Forge & Crown approaches dial selection. Leer más...
NH34 GMT Movement: Technical Specifications, Compatibility Guide, and Alternatives
The NH34 is one of the most widely used automatic GMT movements in modern watchmaking. This guide covers technical specifications, caller GMT functionality, comparisons to the DG3804 and Miyota 9075, Forge & Crown perspective, and a full FAQ. Leer más...
NH35 Automatic Movement: Technical Specifications, Compatibility Guide, and Alternatives
The NH35 is one of the most widely used automatic movements in modern watchmaking. This guide covers technical specifications, advantages, limitations, comparisons to the NH34 and Swiss alternatives, Forge & Crown perspective, and a full FAQ. Leer más...
What Actually Affects Watch Reliability?
Watch reliability depends on far more than movement origin or brand reputation. A Forge & Crown breakdown of the factors that actually determine long-term watch performance — from tolerances and assembly to parts availability and environmental exposure. Leer más...
Why GMT Watches Are More Complex Than They Appear
GMT watches offer a second time zone, but beneath the dial they are considerably more complex than they appear. A Forge & Crown breakdown of how GMT architecture affects hand clearance, movement selection, dial layout, bezel design, and overall case proportions. Leer más...
Quartz vs. Automatic: Which is Better for a Custom Watch?
Quartz or automatic — which is better for a custom watch? The answer depends entirely on the design. A Forge & Crown breakdown of accuracy, thickness, reliability, maintenance, and design language to help you choose the right movement for your build. Leer más...
Por qué el grosor del movimiento cambia el diseño de un reloj
El grosor del movimiento es uno de los factores más ignorados en el diseño de relojes; sin embargo, determina todo, desde las proporciones de la caja y la altura del cristal hasta la holgura de las agujas y la presencia en la muñeca. Esta publicación analiza cómo la arquitectura del movimiento impulsa las decisiones de diseño antes de que se elija un solo componente externo. Leer más...
Por qué la selección de las manecillas del reloj importa más de lo que la mayoría de la gente piensa
Las agujas del reloj a menudo se tratan como un detalle secundario. Son uno de los componentes visuales más importantes de todo el reloj, ya que determinan el equilibrio, la legibilidad, la proporción, la profundidad y el carácter general de la pieza terminada. Leer más...
The VK63 Movement Guide: Specifications, Reliability, and Why Meca-Quartz Chronographs Matter
A complete guide to the TMI VK63 meca-quartz chronograph movement — specifications, advantages, drawbacks, comparisons to the ETA 7750 and Ronda 5030.D, and why Forge & Crown uses it in custom chronograph builds. Leer más...
DG3804 GMT Movement: Technical Specifications, Compatibility & Performance Guide
The DG3804 is a Chinese-manufactured automatic GMT movement offering mechanical GMT functionality at an unusually accessible price point. This guide covers specifications, builder ecosystem, comparisons to the NH34 and Miyota 9075, Forge & Crown testing observations, and a full FAQ. Leer más...