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Database: 365,228(8 Aug 2026)

time instrument

time instrument, Total:104 items.

The international standard classification for "time instrument" includes: Horology in general , Watches , Non-destructive testing .

The Chinese standard classification for "time instrument" includes: Time and Frequency Measurement , Horology , Ultrasonic wave and sound radiation defectoscope .


Professional Standard - Military and Civilian Products

National Metrological Verification Regulations of the People's Republic of China

国家发展和改革委员会

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 20215-2006 Timekeeping instrument - Wristwatch-cases - Fixing dimensions of non - Spring-bar types
  • GB/T 4048-2008 Timekeeping instruments - Wristwatches - Dimensions of bracelet-to-case fastening elements
  • GB/T 26693-2011 Timekeeping instruments - Movements - Types, dimensions and nomenclature
  • GB/T 4028-2013 Symbolization of Control Positions for Timekeeping Instruments
  • GB/T 4028-1994 Timekeeping instruments-Symbolization of control positions
  • GB/T 22775-2008 Gears for timekeeping instruments—Contrate gears
  • GB/T 22776-2008 Tolerances and fits for timekeeping instruments - Tolerances of plastic parts

Professional Standard - Light Industry

  • QB/T 2092-1995 Gears for Timekeeping Instruments - Contrate Gears
  • QB/T 4004-2010 Time-measuring instruments-Photoluminescent deposits-Test methods and requirements
  • QB/T 1989-1994 Tolerances for chronograph instruments and tolerances for mating plastic parts
  • QB/T 1538-1992 Rules for Compilation of Product Code Names of Timing Instruments Tables, Clocks, and Timers
  • QB/T 2899-2007 Timekeeping instruments-Conditions for carrying out checks on redioluminescent deposits
  • QB 1988-2007 Radioluminescence for time measurement instruments-Specification
  • QB 1988-1994 Radioluminescence Powder for Time Measurement Instrument and its Coating Component

机械工业部

Group Standards of the People's Republic of China

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 40023-2021 Non-destructive testing instruments - Ultrasonic time-of-flight diffraction instrument - Technical requirements
  • GB/T 26693-2019 Timekeeping instruments—Types,dimensions and nomenclature of watch movements
  • GB/T 39849-2021 Non-destructive testing instruments—Ultrasonic time-of-flight diffraction instrument—Methods of performance tests
  • GB/T 40673-2021 Timekeeping instruments—Conditions for carrying out checks on radioluminescent deposits
  • GB/T 40359-2021 Timekeeping instruments—Photoluminescent deposits—Test methods and requirements

Professional Standard - Petroleum

  • SY/T 6797-2010 Real-Time Measuring and Adjusting Instrument of Flooding Well's Layered Flux
  • SY/T 6841-2023 Electrical prospecting of time-frenquency electromagnetic instrument

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

  • GB/T 34839-2017 Timekeeping instruments-Designs and dimensions of crowns and sealed tubes

Professional Standard - Navy

  • HJB 379.3-2007 Technical Requirements for Repair of General Nautical Instruments Part 3: Ship Timing Instruments

Henan Provincial Standard of the People's Republic of China

轻工业部

  • QB 1538-1992 The preparation of timing instrument product codes stipulates the representation method of watch, clock and timer code numbers

International Organization for Standardization (ISO)

  • ISO 764:1984 Horology; Antimagnetic watches
  • ISO 764:2002 Horology - Magnetic resistant watches
  • ISO 3158:1976 Timekeeping instruments; Symbolization of control positions
  • ISO 1112:1974 Horology; Functional and non-functional jewels
  • ISO 3764:1976 Timekeeping instruments — Casing diameters for round movements
  • ISO 3764:1997 Timekeeping instruments - Movements - Forms, dimensions and nomenclature
  • ISO 3764:2000 Timekeeping instruments - Movements - Types, dimensions and nomenclature
  • ISO 3765:1976 Timekeeping instruments — Wristwatch cases — Dimensions of fastening elements for bracelets
  • ISO 10552:2012 Timekeeping instruments - Crowns and sealed tubes - Designs and dimensions
  • ISO 3764:2016 Timekeeping instruments - Movements - Types, dimensions and nomenclature
  • ISO 10552:2014 Timekeeping instruments - Crowns and sealed tubes - Designs and dimensions
  • ISO 10552:1999 Timekeeping instruments - Crowns and sealed tubes - Designs and dimensions
  • ISO 14856:2001 Timekeeping instruments - Wristwatch-cases - Fixing dimensions of non-spring-bar types
  • ISO 3765:1998 Timekeeping instruments - Wristwatches - Dimensions of bracelet-to-case fastening elements

Association Francaise de Normalisation

  • NF S81-525:1996 HOROLOGY. SHOCK RESISTANT WRIST WATCHES.
  • NF S86-306:2003 Timekeeping instruments - Conditions for carrying out checks on radioluminescent deposits.
  • NF S81-505:1996 Horology. Timekeeping instruments. Symbolization of control positions.

Korean Agency for Technology and Standards (KATS)

SE-SIS

British Standards Institution (BSI)

  • BS ISO 12511:1997+A1:2021 Earth-moving machinery. Hour meters
  • BS ISO 3764:1998 Timekeeping instruments. Movements. Forms, dimensions and nomenclature
  • BS ISO 3764:2001 Timekeeping instruments. Movements. Forms, dimensions and nomenclature
  • BS ISO 3764:2016 Timekeeping instruments. Movements. Types, dimensions and nomenclature
  • BS ISO 3764:2000 Timekeeping instruments - Movements - Forms, dimensions and nomenclature
  • BS ISO 3159:2009 Timekeeping instruments. Wrist-chronometers with spring balance oscillator
  • BS ISO 10552:2014 Timekeeping instruments. Crowns and sealed tubes. Designs and dimensions
  • BS ISO 10552:2012 Timekeeping instruments. Crowns and sealed tubes. Designs and dimensions
  • BS ISO 3159:2010 Timekeeping instruments - Wrist-chronometers with spring balance oscillator

German Institute for Standardization

  • DIN ISO 3158 E:2017-07 Timekeeping instruments - Symbolization of control positions
  • DIN ISO 3158:2018 Timekeeping instruments - Symbolization of control positions (ISO 3158:1976)
  • DIN 8235-1:1989-07 Classification and design of time keeping instruments; terms of types of watches and clocks

KR-KS

  • KS B ISO 3158-2008 Timekeeping instruments-Symbolization of control positions
  • KS B ISO 3159-2008 Timekeeping instruments-Wrist-chronometers with spring balance oscillator
  • KS B ISO 3765-2008 Timekeeping instruments-Wristwatches-Dimensions of bracelet-to-case fastening elements

IN-BIS

  • IS 9275-1979 Radioluminescence requirements for timing instruments
  • IS 9261-1979 Symbols for timing instrument control locations

RO-ASRO

GSO

SCC

  • BS ISO 3764:1997 Timekeeping instruments. Movements. Forms, dimensions and nomenclature
  • 12/30249003 DC BS ISO 3764. Timekeeping instruments. Movements. Types, dimensions and nomenclature
  • DIN ISO 3158 E:2017 Draft Document - Timekeeping instruments - Symbolization of control positions (ISO 3158:1976); Text in German and English

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector

International Telecommunication Union (ITU)