Discovering the joy of watches can be a minefield of difficult terminology. Like many niche fields, people who already know all about watches may assume you do too. Never fear: here to help you tell your chronographs from your chronometers is the official Chronext A-Z of watches!
Aka Self-Winding: Any watch or movement with a rotor that recharges the mainspring, allowing it to run indefinitely without being wound by the wearer.
Time shown via a traditional hour and minute hand, as opposed to a digital display.
A function typically showing the day, date and month that needs to be reset only once per year at the end of February.
A crucial regulating component within a watch's movement that advances the gear train at a precise rate.
A band added around a watch's dial crystal to protect the case or provide other functionality.
A metallic strap that secures a watch to the wrist.
A watch equipped with a duration-measuring function, aka a stopwatch.
Once a type of instrument for navigation at sea; now applied to watches that have been C.O.S.C.-certified.
A small lens added to a dial crystal to magnify a specific display element - normally the date.
The turning mechanism on the side of the case that allows the wearer to wind and set the watch.
The typically metallic exterior of the watch, housing the timekeeping component within.
The non-display side of the watch, which rests on the wrist. Sometimes fitted with crystal to allow a view of the movement.
The main visible display of the watch, where the time is read.
A mechanism for opening and closing a watch's bracelet to put it on and take it off the wrist.
Alongside the balance wheel, this is a core part of a watch movement that transfers energy discreetly from the mainspring to the timekeeping mechanism.
The rate at which the watch's balance wheel oscillates. Higher frequencies are usually more desirable.
Measurements or abilities provided by the watch, from telling the time to chiming the hours.
A traditionally rubber element used to seal the watch, keeping out water, dust and other undesirable materials.
Greenwich Mean Time - often shorthand for a watch that shows the time in two different timezones.
The study of timekeeping and watchmaking.
Helium Escape Valve
Found on diving watches, it allows helium out during decompression instead of damaging the watch. Rarely required in practice.
The opposite of automatic: any watch that must be manually powered to keep from stopping.
The indexes around a watch dial that display the time in conjunction with the hands.
Usually synthetic crystals used in a watch's movement for their low friction and high durability.
Extensions on either end of the watch case that allow a strap to be attached.
Aka a "calibre", the movement is the primary device of the watch kept inside a case. It is the assembly of components that tells the time.
A coiled strip that acts as the power source in a mechanical watch.
A function typically showing the day, date and month that theoretically needs to be reset only once a century.
The amount of time before the watch runs out of power. Also a type of visual display showing how much remains.
A bezel that can be turned around the dial, usually for computing purposes or recording elapsed time.
A free-turning weight, added to a movement, that recharges the mainspring as it spins via a ratcheting mechanism.
A legally defined label granted only to watches that meet certain criteria of sourcing and assembly in Switzerland.
A synthetic form of hardened glass commonly used to protect the dial.
A chart typically added to a rotating bezel that provides analogue computer functionality.
A cage for the escapement theoretically intended to increase precision by negating the effects of gravity.
A type of metal harder and lighter than steel, sometimes used for luxury watch cases.
Uni-Directional Rotating Bezel
A bezel that can only be turned in one direction to prevent accidental slippage.
Vibrations Per Hour - the unit of measurement for a watch's frequency. Aka BPH (Beats Per Hour).
A measure of how much water pressure a watch is able to withstand safely.
A watch accessory device used for hands-free winding.
A rare complication used to time the start of regatta sailing events.
We had to find something with a Z, didn't we? A timezone is a geographical segment of the world in which the official time is standardised.
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This is guaranteed through our Certificate which you will receive with the purchase of any watch from CHRONEXT - new or pre-owned.
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We scan the market daily for the best offers and always keep our prices up to date. Most important however is that our competitive prices will never lead us to compromise security and quality.