ISO/TC 114 - Horology

This document specifies dimensions, designation, methods of tests and requirements for primary batteries for watches. In several cases, a menu of test methods is given. When presenting battery electrical characteristics and/or performance data, the manufacturer specifies which test method was used.

This document specifies the terms and definitions, the test methods and the evaluation of results of watch-glasses with anti-reflective treatments. The document is applicable to sapphire watch-glasses with anti-reflective treatments, and it can also be used as a reference for mineral watch-glasses with anti-reflective treatments.

This document specifies the terms and definitions, and the signal receiving general measurement method for radio-controlled clocks. It is applicable to the analogical or/and liquid crystal display or/and LED display radio-controlled clocks, and the radio-controlled clock movements can also refer to it.

This document specifies the minimum requirements and test methods for magnetic resistant watches. This document applies to magnetic resistant watches designed to withstand daily magnetic fields. Moreover, it indicates the marking which the manufacturer is authorized to apply to them.

This document concerns whole watches, in which all or some of the components of the external parts are made of hard material, with the exception of watch glasses. It applies to all elements made in massive material whose hardness is greater than or equal to 1 200 Vickers. It describes the performance in terms of resistance to mechanical and thermal shocks, to corrosion, to scratches, to sunlight exposure and also to the wear of its components.

This document specifies the procedure for evaluating the accuracy of quartz watches, individually and by lots (see Annex A which presents the methods for statistical evaluation of accuracy by lot), and the relationship between the accuracy tested and the accuracy classification given by the manufacturer. It applies to quartz watches having accompanying documents on which the accuracy classification is indicated.

This document specifies requirements and test methods for divers' watches and for saturation divers' watches for use in deep diving (see Annex A which deals with watches for saturation diving). It applies to divers' watches designed to withstand diving in water at depths of at least 100 m and equipped with a secured measuring system to indicate the diving time, which is visible in darkness. Moreover, it indicates the marking which the manufacturer is authorized to apply to them.

ISO 16253:2017 specifies the general requirements and test methods for hard coatings obtained by vapour phase deposition processes intended to improve mainly the surface aspect and wear and corrosion resistance, and/or to offer protection against contact-allergy. It is applicable to watch-cases and accessories.

ISO 1413:2016 specifies the minimum requirements for shock-resistant wrist watches and describes the corresponding test method. It is based on the simulation of the shock received by a wrist watch while falling from a height of 1 m onto a horizontal wooden floor (an equivalent surface is described in B.1.1).

ISO 3764:2016 specifies the types and fitting dimensions of mechanical and electromechanical watch-movements. This International Standard is applicable to the five following types of movements: - Type 1: round; - Type 2: shaped round; - Type 3: round with double cutting; - Type 4: 5 ½′′′; - Type 5: 6 × 8′′′.

ISO 3160-2:2015 specifies methods to determine fineness, thickness, corrosion resistance and adhesion for gold alloy coverings on watch-cases and accessories, including bracelets when they are permanently attached to the case. The tests apply only to significant surfaces. ISO 3160-2:2015 applies to all gold alloy coverings specified in ISO 3160‑1.

ISO 19235:2015 specifies the basic parameters, requirements, and testing methods of timing accuracy for analogue quartz clocks, hereinafter referred to as "the quartz clock". This International Standard applies to analogue quartz table and wall clocks which the oscillator frequency is 32 768 Hz and the nominal voltage is DC 1,5 V. Analogue quartz clock movements can refer to it. This International Standard does not apply to the following quartz clocks: - clocks for particular applications such as clocks used in aircraft, ship, vehicle, and facilities; - clocks incorporated into other products; - clocks in which time is radio-synchronized.

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.

ISO 13074:2012 specifies the fitting dimensions of movements to hands. It is applicable to analogue quartz table and wall clock movements, with and without alarm, that have the following properties: minute wheel shafts with an outer diameter of between 1,3 mm and 3,6 mm; hour wheel, minute wheel, second wheel and alarm wheel shafts made of metal and plastic material. ISO 13074:2012 can be referenced for other types of analogue quartz clock movements.

ISO 23160:2011 specifies tests for the evaluation of the resistance of watch cases and their bracelets to wear, scratching and impacts occurring when wearing the watch. ISO 23160:2011 is applicable mainly to complete watch cases fitted with bracelets. However, certain tests can be applied to the watch case only, to the complete or partial bracelet, or to specially prepared samples.

ISO 22810:2010 establishes the requirements and specifies the test methods used to verify the water resistance of watches. Moreover, it indicates the marking which the manufacturer is authorized to apply to them.

ISO 3159:2009 lays down the definition of the term “chronometer”, describing the categories, the test programme and the acceptable minimum requirements for wrist-chronometers.

ISO 12819:2009 specifies two methods for determining the battery life of a battery-powered watch and specifies the labelling to be used by the manufacturers or the distributors to inform the users. According to the available information, either the theoretical battery life or the practical battery life must be calculated using the equations given in ISO 12819:2009.

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.

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

ISO 14368-3:2003 specifies the nomenclature of defects and the test methods to check them, with minimum physical and aesthetic requirements, for circular mineral and sapphire watch-glasses.

ISO 14368-2:2002 specifies dimensional requirements of the interface for the assembly to the case by adhesive or using a gasket for round-shaped mineral and sapphire watch-glasses.

This International Standard specifies overall fixing dimensions of wristwatch-cases to which bracelets or straps are fastened by means of a set of fixing pins and tubes. This International Standard is applicable to wristwatch-cases with four or with two lugs.

This part of ISO 14368 specifies the dimensions and tolerances of mineral and sapphire watch-glasses. It is applicable to round, flat watch-glasses, typically of diameter 8 mm to 35 mm.

This International Standard specifies the dimensions for fixing a bracelet to a wristwatch-case with the use of spring bars. This International Standard is applicable to wristwatch cases of two types and spring bars of three types.

This part of ISO 3160 specifies general requirements concerning gold alloy coverings. It is applicable to watch-cases and their accessories, including bracelets.

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.

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.

ISO/TS 18684:2015 concerns whole watches, in which all or some of the components of the external parts are made of hard material, with the exception of watch glasses. It applies to all elements made in massive material whose hardness is greater than or equal to 1 200 Vickers. ISO/TS 18684:2015 describes the performance in terms of resistance to mechanical and thermal shocks, to corrosion, to scratches, to sunlight exposure and also to the wear of its components.

IEC 60086-3:2011 specifies dimensions, designation, methods of tests and requirements for primary batteries for watches. In several cases, a menu of test methods is given. When presenting battery electrical characteristics and/or performance data, the manufacturer specifies which test method was used. This third edition cancels and replaces the second edition (2004) and constitutes a technical revision. The major technical changes with respect to the previous edition are the drawings, a review of the table of electrochemical systems and a harmonization of the marking clause with the other standards of the IEC 60086 series. Moreover, the table of the leakage levels was extended by adding drawings with better visualization. This publication is published as a double logo standard. The contents of the corrigendum of September 2011 have been included in this copy. This bilingual version (2014-01) corresponds to the monolingual English version, published in 2011-01. Keywords: requirements and information for primary watch batteries.

ISO 16253:2007 specifies the general requirements and test methods for hard coatings obtained by vapour phase deposition processes, and intended to improve mainly the surface aspect and wear and corrosion resistance, and/or to offer protection against contact-allergy. It is applicable to watch-cases and accessories.

ISO 10553:2003 specifies the procedure for evaluating the accuracy of quartz watches, individually and by lot, and the relationship between the accuracy tested and the accuracy classification given by the manufacturer. It applies to quartz watches having accompanying documents on which the accuracy classification is indicated.

ISO 3160-2:2003 specifies methods to determine fineness, thickness, corrosion resistance and adhesion for gold alloy coverings on watch-cases and accessories, including bracelets when they are permanently attached to the case. The tests apply only to significant surfaces. ISO 3160-2:2003 applies to all gold alloy coverings specified in ISO 3160-1.

ISO 764 specifies the minimum requirements and test methods for magnetic resistant watches. It is based on the simulation of an accidental exposure of a watch to a direct current magnetic field of 4 800 A/m. Annex A deals with watches designated as magnetic resistant with an additional indication of intensity of a magnetic field exceeding 4 800 A/m.

Describes a proposed method for the evaluation of the accuracy of quartz watches. Applies to quartz watches whose accuracy is indicated by the manufacturer. Defines the term "accuracy" and specifies test methods for its evaluation.

Specifies the fitting diameters of hour, minute and second hands for wrist and pocket watches.

Specifies two test methods and describes dimensions and characteristics of the standard gauge, standard coating, test methods, determination of wear, and qualitative comparison scales.

The test methods described apply to all gold alloy coverings specified in ISO 3160-1 on watch cases and accessories, including bracelets when they are permanently attached to the case. The tests apply only to significant surfaces.

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.

Specifies the designation, requirements, test methods and marking for such watches with or without an additional indication of an overpressure. Watertight means intended for ordinary daily use during exercises under water for a short period under conditions where water pressure and temperature vary. Does not apply to diver's watches (on this see ISO 6425).