A durable and accurate instrument for underwater navigation. Accurate and reliable performance for a very long time. They are virtually insensitive to pressure as they are oil filled and environmentally sealed. Even divers new to underwater navigation will find our terrific dual - reading display easy to follow, even when swimming in a horizontal position.FS - 2 offers a tilt angle that can go up to 'over 35 degrees, making it easier to read and operate in most positions. With a floating magnet separate from the compass rose, the FS - 2 has a greater angle of freedom than traditional compasses. And that means you can use the same compass in both hemispheres, perfect for traveling divers. side vision allowing easy and precise navigation.Available either on bracelet or with a winder which allows to fix it easily.