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Silva C58 Marine Compass


Deviation compensator so that you always can keep a steady course
Keeps in place, even in rough conditions
Enables night navigation
Bracket that allows multiple mounting options


The C58 Marine Compass is a bracket mounted steering compass designed for movement and optimized for powerboats.

Fitted with a detachable bracket, it can be mounted on almost any vehicle, including power boats, and in almost any direction: horizontally, vertically, or up-side-down. The 12V integrated illumination makes the C58 suitable for night navigation.

With multiple mounting plates (one included) you can easily move your compass between vehicles as well as between different places on your boat. The compass comes with the feature of built-in deviation compensator which allows adjustments (up to ±40°) if the compass is interfered by another magnetic field.


Accuracy ~ +/- 17.8mils/1°

Apparent card diameter ~ 55mm

Built-in compensator ~ Yes

Card type ~ Cone

Compatibility ~ Powerboats

Declination adjustment ~ Up to +40°

Heeling Angle ~ Roll: 20° Pitch: 20°

Illumination ~ 12V, red

Lubber lines ~ 1 Centre

Materials ~ Acrylic, PC/ABS

Mounting ~ Bracket

Mounting angle ~ Any

Sapphire jewel bearing for friction-free movement of the compass needle ~ Yes

Size ~ 88x76x81 mm

Type of compass ~ Steering

Temperature operating range ~ -10 to +70 °C

Variant ~ Magnetic North

Water resistant ~ Yes

Weight ~ 205g