Girard Perregaux, Bale & Barrel (Tonneau)
- for Girard Perregaux
- Bale & Barrel (Tonneau)
- Domed with Flat Bottom
- Flat Bezel
- Sapphire Crystal (Highest Specification)*
- Micron bevelling, depthing & finishing
- Micron sharp corners & corner circumferences
- Micron cambers, curvatures and height accuracies