: The "engine" of the watch. Common types include Quartz (battery-powered, high accuracy) and Mechanical (hand-wound or automatic).
To help identify the specific timepiece you are looking for, here is how you can find the correct identifier: Identifying Your Watch
: The housing that protects the movement, often measured in millimeters (mm) .
If you are writing about a watch and need technical terms, these are the standard parts:
: Most watches display the brand name below the 12 o'clock marker and the model name or movement type (e.g., "Automatic" or "Chronometer") above 6 o'clock. General Watch Components