(2 words) A type of watch strap buckle that closes by folding in on itself
A rubber, neoprene or plastic ring used to seal the gaps between the case and the case back, crystal and crown to prevent water or dust from entering the case and damaging the movement inside
A plate or bar that is mounted to the mainplate, forming a frame that houses the inner workings of a mechanical watch.
An engraved ornamental pattern, often used on watch dials, comprised of intricately intertwined lines
(2 words) A classically-styled analog watch (usually quartz-powered) that also features digital smart functions like activity tracking and push notifications.
has the ability to track two time zones at once
(2 words) The reverse side of a watch case that can be removed to access the inside of the watch.
The markings on the dial of a watch used to represent the hours in place of numerals.
(2 words) A weighted wheel that oscillates at a constant rate (usually one oscillation per fraction of a second), moving the watch’s gears and allowing the hands to move forward
(2 words) adds an additional seconds hand and pusher to the standard chronograph function
The base on which all the parts of a mechanical watch movement are mounted.
Also often referred to as the face - displays the time and features numerals and markings as well as the hands
the glow given off by watch numerals, indices and hands that have been coated with a photoluminescent material
A watch that has been independently tested by the Official Swiss Chronometer Testing Institute (COSC) in Switzerland (or any other official governing body in other countries).
(2 words) A system of gears that transfer power from the mainspring to the escapement.
A high-end complication that chimes to denote the time at the push of a button on the watch case.
The protruding pieces of metal at the top and bottom of a watch case where the strap is attached.
A button on a chronograph watch that starts, stops and/or resets the chronograph mechanism
Shows off the inner workings of the watch, but does so through a transparent or partially cut-out dial so that the movement can be viewed from the front of the watch.