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
See Atm.
Terms with the same letter
Back Bagnolet (calibre) Baguette Balance Balance cock (modern) Balance cock (traditional) Balance spring Bar Barrel Barrel arbor Basic Function Bassiner Battery Bearing Bell Bench Bent index Beryl Bezel Bezel Bezel or collet setting Birefringence Blanc roulant Blank Block Blued steel Bolt Bort Bottom plate Bow Bow lathe Brace (Bridle) Brass Breguet overcoil Bridge Brilliant cut Briolette Bruting Bulk setting Burnish Burnisher
