A
Atm (atmosphere)
気圧（atm）／キアツ（アトム）
物理大气压(atm)-大气
Atm (atmosphere)
ATM (Atmosphère)
Glossary
Thematic
Display, Technic
Unit of measure to indicate a watch's water-resistance, specifically its capacity to resist pressure, based on standard atmospheric pressure defined as 101.325 kilopascals (kPa) equivalent to approximately 1 bar.
Can be expressed in different ways: 10 atm = 10 bars = 100 metres