Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Wear resistance
5 Scratch resistance
6 Impact resistance
Annex A (normative) - Visual inspection of watch cases
and wristlets or test samples the resistance
to wear, scratching and impacts
Annex B (informative) - Examples of machines and abrasive
elements used for the 4.1 and 5
Bibliography