WatchesAtlas / Watch knowledge
The Watch Encyclopedia
Understand the details that make a watch.
139 terms
Clear filtersHelium escape valve
A valve designed to release accumulated gas in particular saturation-diving conditions.
Cases, dials & braceletsHollow end link
An end link made with a hollow or folded construction.
Cases, dials & braceletsIntegrated bracelet
A bracelet whose attachment and visual design form a continuous relationship with the watch case.
Cases, dials & braceletsJubilee bracelet
Rolex's name for a bracelet style with a five-link visual arrangement.
Cases, dials & braceletsLacquer dial
A dial finished with lacquer layers to produce its colour, depth or surface effect.
Cases, dials & braceletsLapis-lazuli dial
A dial using lapis lazuli, a decorative blue stone with natural variations.
Cases, dials & braceletsLeaf hands
Hands with a gently curved, leaf-like outline.
Cases, dials & braceletsLinen dial
A dial surface with a fine woven-looking texture rather than an actual fabric covering.
Cases, dials & braceletsLollipop hand
A hand with a rounded enlarged area towards its outer section.
Cases, dials & braceletsLug width
The gap between paired lugs where a strap or bracelet attaches.
Cases, dials & braceletsLug-to-lug
The distance along the case between the outer ends of opposite lugs.
Cases, dials & braceletsLugs
The projections from a watch case used to attach a bracelet or strap.
Cases, dials & braceletsLume
A light-emitting material applied to hands or markers to improve legibility in darkness.
Cases, dials & braceletsLumiBrite
Seiko's name for a luminous material used on selected hands and markers.
Cases, dials & braceletsMalachite dial
A dial using malachite, a green mineral typically showing distinctive banded patterns.
Cases, dials & braceletsMatte dial
A dial with a low-reflection finish rather than a prominently glossy surface.
Cases, dials & braceletsMercedes hands
A collector name for an hour-hand style with a circular, divided luminous section.
Cases, dials & braceletsMicro-adjustment
A clasp or bracelet adjustment allowing small changes in fitted length.
Cases, dials & braceletsMilanese mesh
A fine woven-metal bracelet construction, traditionally associated with Milanese-style mesh.
Cases, dials & braceletsMineral crystal
A glass watch crystal that may be hardened or treated for improved durability.
Cases, dials & braceletsMonobloc case
A case architecture without a conventional removable rear opening, typically requiring access from another direction.
Cases, dials & braceletsMoonshine gold
Omega's name for a proprietary yellow-gold alloy with a particular colour and composition.
Cases, dials & braceletsNATO strap
A pass-through strap style commonly associated with a secondary retaining section.
Cases, dials & braceletsOctagonal case
A case or bezel outline with eight principal sides.
Cases, dials & braceletsOfficer caseback
A caseback with a hinged protective cover, often revealing a second rear surface or movement display.
Cases, dials & braceletsOnyx dial
A dial using onyx or a material marketed under that stone name, often with a smooth dark appearance.
Cases, dials & braceletsOpen-heart dial
A dial with an aperture revealing part of the movement, often the balance.
Cases, dials & braceletsOval case
A case whose primary face outline forms an oval rather than a circle.
Cases, dials & braceletsOyster bracelet
Rolex's name for a bracelet style with a three-link visual arrangement.
Cases, dials & braceletsPalladium
A precious metal used in selected alloys or watch components.