ISO 10552:2014 specifies designs and dimensions of crowns and sealed tubes and their tolerances. ISO 10552:2014 is applicable to crowns and sealed tubes of mechanical, electromechanical, and electronic wristwatches of water-resistant designs.

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ISO 1112:2009 specifies the technical definitions of functional and non-functional horological movement jewels. It describes the different types of jewels used, and how this is to be marked on a timekeeping instrument or used in advertising.

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ISO 17514:2004 specifies the test methods for the photoluminescent deposits applied to time-measuring instruments, together with the requirements related to them.

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ISO 6426-2:2002 defines the principal technical and commercial terms used in the horological industry. The terms and definitions apply to time-measuring instruments and related devices.

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The 20 definitions apply to time-measuring instruments or to related devices. A table summarizes the values and units of measurement associated with the definitions. Part 2 deals with definitions of technico-commercial terms.

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Lays down the definition and designations (as a symbol or by words) of test position for any timekeeping instrument, irrespective of its type, design or dimensions.

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Specifies requirements and test methods for the optical, mechanical and radioactive characteristics of radioluminescent deposits fixed on instruments. This second edition cancels and replaces the first edition (1975). Annex A is for information only.

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The 136 definitions are intended more particulary to the general public and have been simplified especially with regard to rate of a time measuring instrument. They apply to time measuring instruments and related devices. In detail, the definitions are concerned with: general terms; time measuring instruments; rate of a time measuring instrument; essential devices and parts; functions, indications and additional devices; components and miscellaneous. Part 1 of ISO 6426 includes the technical and scientific definitions.

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Supplements ISO 3157, in particular clause 5 of that document "Specifications and test methods for radioluminescent deposits". The checks are concerned with the colours, the specific luminous intensity and resistance to ageing as well as adhesion and insolubility. The certificate of conformity is characterized.

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