Watch Parts

Movement

The engine of the watch.

Crown

The mechanism that allows for the winding of the movement and adjustment of functions like date and time. To enhance water resistance, crowns can screw into the case to form a seal against moisture or water.

Pusher

Case attachment that controls functions, such as the chronograph or date adjustment.

Lugs

Case attachment that allows for a strap or bracelet to be attached to the watch case.

Rotor

Oscillating weight that winds an automatic watch when worn.

Strap

Commonly a leather or rubber attachment that secures a watch to the wrist. Metal attachments, generally made from stainless steel or gold, are referred to as bracelets.

Subdial

A small dial set within the main dial, which is used to display an additional complication such as chronograph readout, seconds, or date.

Exhibition Caseback

Fitted with a mineral or sapphire crystal to show movement finishing.

Hour Marker

Hour indicator applied or painted on the dial.

Case

Holds the movement and protects it from the elements. It can be made from different metals and comes in different shapes.