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Watch Diagram

To create a fine Swiss timepiece, a number of components must be designed, created and assembled by a team of highly skilled watchmakers. Each watch model (or reference) will have different look and will possess unique functions so it must be crafted with different components. The watch diagram below outlines the basic elements in fine watches to build a basic understanding of their technical makeup. Understanding the anatomy of luxury watches will help in selecting the style of Swiss watch best fit for you.

Watch Diagram for Swiss Timepieces

Aperture

A small opening (also called a “window”) in the dial that displays certain information such as the date, day, month or moon-phase.

Jewel

Small Sapphires or Rubies, located on the movement, that reduce friction by acting as bearings for gears in a mechanical watch.

Bezel

Usually made of metal, the bezel is a ring around the crystal on the top portion of a watch that holds the glass or crystal in place.

Lug

Sometimes referred to as horns, lugs are projections on the watch case that are used to secure the strap or bracelet to the watch case.

Case

The container that protects the watch movement. Cases are available in many shapes such as round, square, oval, tonneau and rectangular.

Movement

Acting like an engine, a movement is the inner mechanism of a watch that keeps time and powers the watch’s functions. (More info: Movements)

Crown

A button on the outside of the watch case used to set the time and calendar. On mechanical watches, it is also used to wind the mainspring.

Pusher

Button(s) located outside of the case that control specific functions of the watch. Pushers are most commonly found on watches with a chronograph.

Crystal

Made of glass, plastic or synthetic Sapphire, the crystal is a transparent cover that protects the watch dial and reduces glare.

Rotor

Attached to the watch movement, the rotor rotates freely to wind the mainspring and store power in automatic timepieces.

Dial

A plate, with a metal base and visible through a crystal, that carries certain indication, such as the hours, minutes and sometimes seconds.

Strap

A strip or band of leather or rubber that holds the watch to the wrist. It must be non-metal to be considered a strap; a metal version is a bracelet.

Hand

Indicators that move over the dial to point at the hour, minute or second. Watches generally have three hands to show the hours, minutes and seconds.

Subdial

A small dial placed inside the main dial on a watch’s dial that give information not provided by the main watch dial such as a chronograph.


Learn more about watch terminology in our Watch Glossary.


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