Introducing the Garmin GNX120 7-inch Large Format Marine Instrument, a high-precision glass-bonded display that acts like a “glass mast” at the helm. Built for serious sailors who demand quality, precision, and total integration, this instrument brings day-and-night readability, a wealth of data, and seamless Garmin ecosystem connectivity to your cockpit.
Crystal-clear visibility in any condition – a 7-inch display with a high-contrast monochrome LCD and a flush-mount glass mast look. The glass-bonded design prevents fogging, delivering crisp readouts when it matters most. Choose from bold 2-inch (51 mm) digits—the largest in class—to ensure quick reference in any lighting scenario. Designed for minimal power use, it draws only 0.36 W in daylight (no backlight) and 0.4 W at night (mid-level backlight), preserving your battery on longer trips.
Key benefits
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Displays 50+ marine parameters for wind, sea state, and vessel conditions, giving you comprehensive insight at a glance.
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Premium readability with day/night visibility and the largest digits in its class.
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Low power consumption for extended use without draining batteries.
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Glass-bonded, fog-free display ensures a clear readout in rough seas and variable weather.
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Flush-mount glass mast look provides a clean, integrated cockpit aesthetic.
Seamless Garmin ecosystem and data sharing
Designed for total integration, the GNX120 shares sailing data effortlessly between Garmin devices. Control and data exchange are streamlined from a compatible GNX keypad, letting you manage information across your instruments with ease. For advanced data displays, Expedition software data can be shown on the instrument using an Actisence NGT-1 N2K USB or GND 10 (not required). Adrena and SmartSkipper information can also be displayed with the GND 10, expanding your navigation and race-management capabilities.
Customization and easy setup
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Fully customizable user profiles to tailor the screen layout to your preferences.
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Five display configurations: single, dual, and triple function, plus Gauge and Graph modes to display data for wind, sea, and vessel conditions.
- Display data from Expedition software and other Garmin data streams for a complete sailing dashboard.
Specifications and what's in the box
- Display size: 150 x 83 mm (6" x 3.27"), actual dimensions 181 x 115 x 17 mm (7.12" x 4.53" x.67")
- Display type: Inverted LCD, monochrome
- Water rating: IPX7
- NMEA 2000 certified; NMEA 0183 compatible
- Input voltage: 9–16 V (NMEA 2000)
- Input draw: 0.36 W (day); 0.4 W (night)
- Temperature range: -15°C to 70°C
- Includes GNX 120 unit, trim piece snap cover, protective cover, flush mount gasket and hardware, NMEA 2000 T-connector, NMEA 2000 drop cable, and documentation
Upgrade your cockpit with the Garmin GNX120 and enjoy a high-precision, beautifully designed instrument that delivers clarity, reliability, and complete sailing data integration for confidently navigating every voyage.
| Display Size |
150 x 83 mm (6'' x 3.27'') |
| Display Type |
Inverted LCD, monochrome |
| Water rating |
IPX7 |
| NMEA 2000® certified |
Yes |
| NMEA 0183 compatible |
Yes |
| Mounting options |
Flush |
| Glass bonded display |
Yes |
| Temperature range |
From 5° to 158°F (from -15° to 70°C) |
| Auto-on |
Yes |
| User profiles |
Yes |
| Input Voltage |
9-16 V (from NMEA 2000) |
| Input Draw |
0.36 W (day); 0.4 W (night) |
| Dimensions |
181 x 115 x 17 mm (7.12'' x 4.53'' x.67'') |
