Glossary
Atm (atmosphere)
Unit of measure to indicate a watch's water-resistance, specifically its capacity to resist pressure, based on standard atmospheric pressure defined as 1013 hectopascals or approximately 1 bar.
Can be expressed in different ways: 10 atm = 10 bar = 100 metres water depth
Related themes:
- french: atm (Atmosphère)
- japanese: 気圧（atm）／キアツ（アトム）
- chinese: 物理大气压(atm)-大气
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