IS 10366 : 1995 Watch cases - crystal and dial opening diameters - Dimensions

1 Scope

Covers the terminology and dimensions of circular and shapeddial openings and relative dimensions of crystal, tension ring andbezel of the following types:

Type A1 Crystal with tension ring for water resistant type cases

Type A2 Crystal with tension ring for water resistant type cases

Type A3 Crystal with tension ring for water resistant type cases

Type B Crystal without tension ring for non-water resistant typecases

Type C Shaped crystal without tension ring for non-waterresistant type cases