The back side of the watch, which contacts the wearer's wrist and is typically removable to allow access to the movement. Usually pressed or threaded into the watch case and often engraved or oth [..]

The bar is a metric unit of pressure equal to 100,000 Pa, 0.987 atm or 14.5 psi. When applied to water depth, 1 bar is equal to the pressure exerted by the weight of a column of fresh water approximat [..]

An external ring which encircles the crystal. On sport, pilot and dive watches, the bezel often includes calibrated markings and may rotate in one or both directions. Bezels on dive watches typically [..]

The housing which contains the movement and internal parts of a watch. The most commonly used material for metal cases is stainless steel. Other common case materials include gold, titanium, brass  an [..]

A ring which sits between the dial and crystal and encircles the watch dial. Often made of metal or plastic, the chapter ring is sometimes printed with markings, such as minute indices.

An additional mechanism or feature in a watch movement beyond the basic function of timekeeping. Common complications include day/date calendars, chronographs and moon phase mechanisms.

The knob or button on the exterior of the watch case used to set the time and date (if the watch includes a date feature). In mechanical watches, the crown is also used to wind the mainspring.

Sometimes referred to as the "glass", this is the part of the watch which covers and protects the watch face/dial. Common watch crystal materials include acrylic, mineral glass and synthetic [..]

The face of a watch, which typically includes numerals or other markings to indicate hours, minutes and seconds. Some dials include a date window for viewing the calendar and smaller subsidiary dials [..]

See Dial