This standard 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.
Divers' watches, specified as such, are covered by ISO 6425 which establishes special requirements.
2 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
2.1 water resistance
ability to resist water penetration
2.2 water-resistant watch
watch that resists water penetration
Note: this standard applies to the watch or the watch head.