DIAL COVER

THERE ARE THREE BA­SIC DIAL COVER TYPES USED FOR A WRIST­WATCH:

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syn­thetic sap­phire

Pos­sess­ing the same chem­i­cal com­po­si­tion as nat­u­ral sap­phire, this is the most ex­pen­sive and hard­est type, and widely used in Swiss watches.

Min­eral

Min­eral crys­tals are sim­ply made of glass. In­ex­pen­sive but rel­a­tively easy to break. This

plex­i­glass

This is the most af­ford­able kind but not as re­sis­tant to scratches. This ma­te­rial is also known as acrylite, and is tech­ni­cally con­sid­ered a type of plas­tic.

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