A comprehensive article about Back Crystal is being prepared by our editorial team. In the meantime, see the definition above and explore related terms below.
Related Terms — Case
Anti-Reflective Coating
Optical treatment on sapphire reducing light reflection for improved dial visibility.
Antimagnetic Case
Watch case constructed from non-ferrous materials or soft iron shield protecting the movement.
Asymmetric case
Unbalanced case design where elements are not mirrored, creating unique visual interest and distinctiveness.
Barrel-shaped case
Cylindrical case wider in the middle and tapered toward the ends, resembling a wooden barrel.
Bezel
Rotating or fixed ring surrounding the crystal, often used for timing or design.
Bezel Insert
Removable ring with markings or graduations on the bezel.
Bezel-Set Stone
Gemstone held in place by metal rim surrounding its perimeter without prongs.
Broad Arrow Crown
Crown stamped with British broad arrow mark indicating Crown-issued military timepiece.