The reverse side of the watch case, laying flat on your wrist. Some watches feature an exhibition caseback that is transparent allowing you to see the movement. Casebacks typically carry some engravin [..]

A countdown timer used to sound warning signals during a race, originally developed for the countdown to a boat race.

Another word used for the crown. A button found on the side of the case used to wind the mainspring.

A prohibited term used when describing the water resistance of a watch. No watch is 100% waterproof.

The movement of an oscillating part of the watch, limited by two extreme positions. Generally 5 or 6 vibrations per second, 18,000 or 21,600 per hour, but can also be a higher frequency with as many a [..]

Designed by Cartier, it is a rectangular watch with bars along the sides the resemble the tracks of a tank used in World War I.

A barrel shaped case with two convex sides.

One of the most common strap closures found. A traditional loop and pin that resembles a belt buckle.

An additional complication found on watches, it is a wheel that is partially visible through the dial indicating the sun and moon in a 24-hour period.

Found on an additional dial, used to set a separate time zone to be viewed simultaneously as the local time.