Caliber / Calibre
A type or model of movement.
The housing of the watches insides.
A watch that is able to be used as a stop watch in addition to its standard display. It has dials to keep track on seconds, minutes and hours.
The method of fastening a bracelet together, usually a folding system made from metal.
A movement (heart) of a watch designed by George Daniels in 1980 that reduced friction on the moving parts and need for lubrication.
The winder used to control the movement and hands from the outside of the case. It is used for setting the time, date and winding the movement.
The clear glass that allows the dial to be seen. This can be made from acrylic (typically on older watches), glass or synthetic sapphire.
A small magnifying lens that is on the crystal of the glass to magnify the date.
An extremely hardwearing, scratch resistant material that is used for watch cases.
A feature from a watch that is in addition to the normal time keeping features. This can include calendars, moon phases, alarm clocks, second time zones.