Navman Speed 3100

The Navman Speed 3100 features all the essential functions such as speed, distance, temperature and time, plus some exciting extras, such as the Trim speed function that displays speed fluctuations above or below reference speed.

Large 38mm backlit speed display.
Speed 0-50 knots.
Maximum and average speeds.
Trip and total log.
Countdown timer function from 1-10 minutes.

All Navman instruments feature super wide-angle monochrome displays and 1.5” digits, so you can read them at a glance across the deck of your boat in fine weather or bad weather.

Installation of Navman instruments is easy, no need for drilling templates, nuts or bolts. The built in over moulding provides a completely waterproof front facia without additional sealant.