- sapphire bearing and a capsule provides incredible accuracy and better performance
- Luminous dial is marked with a red arrow at the north point
- Rotating bezel has 10 degree graduations and locking teeth
A luminous dial is marked with a red arrow at the north point. S, E, W points are marked by letters while the intercardinal points are marked with long lines at the 90 positions. For even more accurate calculations, the rotating bezel has 10 graduations and locking teeth.