T/ZZB 3940-2025 Active Group standards

T/ZZB 3940-2025 Analogue quartz waterproof student watches

Publish Date: 2025-12-20 Implement Date: 2025-12-31 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 3940-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Medical optical instruments and equipment, and endoscopes

ICS Name: \nWatch

Publish Date: 2025-12-20

Implement Date: 2025-12-31

Scope

This document specifies the basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments for pointer-type quartz waterproof student watches (hereinafter referred to as "watches"). This document is applicable to pointer-type quartz waterproof watches with a quartz resonator and a nominal operating voltage of DC 1.50 V, intended for students aged 6 and above.

Development Information

Related Standards

GB/T 6877-1986 Replaced

GB/T 6877-1986 Classification, terminology and numbering for parts and assemblies of the mechanical time measuring instruments Classification, terminology and numbering for parts and assemblies of wrist watches and lever escapement alarm olocks

Publish Date: 1986-09-13

GB/T 18828-2002 Replaced

GB/T 18828-2002 Diver's watches

Publish Date: 2002-09-05

GB/T 6044-2005 Replaced

GB/T 6044-2005 Analogue quartz watches

Publish Date: 2005-09-26

GB/T 20215-2006 Active

GB/T 20215-2006 Timekeeping instrument—Wristwatch-cases—Fixing dimensions of non-spring-bar types

Publish Date: 2006-03-10

GB/T 4048-2008 Active

GB/T 4048-2008 Timekeeping instruments—Wristwatches—Dimensions of bracelet-to-case fastening elements

Publish Date: 2008-07-31

GB/T 6877-2008 Active

GB/T 6877-2008 Classification,terminology and numbering for parts and assemblies of the time measuring instruments—Classification,terminology and numbering for parts and assemblies of mechanical wrist watch movements

Publish Date: 2008-07-31