Speedwatch Marine Speedo Kit

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Quick Overview

Measures speed, and distance travelled. No holes required for mounting.

Screen with mount

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  • Screen with mount
  • Transmitter
  • Screen with strap
  • Choice of impeller mounts


The Speedwatch kit includes a Waterproof LCD display with mounting support, water propeller, 3 different propeller supports, radio transmitter and a strap for wearing the screen on arm or leg.


Wireless Speed Computer Dimensions :

Display : Ø78 * 18 mm

Radio Transmitter : Ø20 * 180 mm

Weight : 100 grammes

This Swiss designed instrument instantly gives you an accurate reading of the speed on water, maximum speed and traveled distance. No hole on your boat needed ! Easy to install: setting the propeller under water with one of the three wings included, set the radio transmitter in the hull and that's all! Magnetic Transmission through the hull and without holes (patent JDC) and radio transmission to the screen (up to four meters away) allow the screen to be positioned conveniently on the boat.


Technical specifications :


Current speed

Constant speed:Set by customer

Instantaneous speed: balanced speed on 2 until 60 sec,

average speed on 1/100 of unit,

speed tendency + or -

Maximum speed reached


Knots - km/h - mph - m/s



Manual or autostart

Countdown timer: 10, 6, 5, 3, 1 minutes

Clock: 24h or AM / PM


Distance of the trip

Global distance traveled: Over one season

Partial distance: Total distance with reset


Waterproof Backlight: Red

Low power consumption: Around 20'000 km sailed without changing battery

Display: 4000 hours, battery lithium 2450

Transmitter: More than 500 miles with 9V battery Option:

Long range transmitter powered by 12V board battery to double the distance between transmitter and display