Garmin D2 Mach 2 – 51 mm Aviator Smartwatch

THE NEW FLAGSHIP OF AVIATOR SMARTWATCHES

Designed for life in the world of flight, D2 Mach 2 is the most highly evolved Garmin aviator smartwatch to date. It combines classic styling with a bright AMOLED touchscreen display, advanced flight mapping, voice commands and a powerful built-in LED flashlight — plus health and fitness features to help pilots perform at their best.

New Features as of November, 2025

NEW! HEALTH STATUS

See whether your health metrics — such as resting heart rate, HRV and Pulse Ox² while sleeping — are trending away from your usual range, which could indicate added stress to your body. These changes could be related to physical activity levels, environment, stress, alcohol intake, potential illness, and more.

NEW! ENHANCED NOTIFICATION CONTROL

NEW! RALLY 110/210 COMPATIBILITY

AIRWORTHY DESIGN

Purpose-built for the flying life, the D2 Mach 2 aviator smartwatch features a bright 1.4-inch AMOLED display with sapphire lens and titanium bezel plus a metal sensor guard and leakproof buttons.

DYNAMIC FLIGHT MAPPING

Advanced color moving maps feature airspaces, runways, airports, flight plan overlay and more — offering you the best and most detailed mapping of any Garmin pilot watch to date.

HOW’S THE WEATHER?

Know what’s ahead by accessing METARs, TAFs and more¹. Plus, you can overlay airport METAR flags, NEXRAD, cloud coverage, winds and temperature on the aviation map by pairing with your smartphone.

BUILT-IN SPEAKER AND MICROPHONE

Pair with your smartphone to make and take phone calls from your watch¹. Plus, control watch functions with phone-free voice commands — or use your phone’s voice assistant to respond to text messages and more.

INTERFACE WITH YOUR AVIONICS

With the Garmin Pilot^™ app, transfer flight plans and receive data and alerts from your avionics. While on the ground, remotely view the status of your aircraft equipped with PlaneSync^™ datalink technology.

BUILT-IN LED FLASHLIGHT

An integrated flashlight with variable intensities of white light as well as a red light setting gives you useful illumination in or out of the cockpit. There’s also a red shift mode to help preserve your night vision.

SET PERSONAL MINIMUMS

Go or no-go? Get alerts if conditions — such as crosswind, ceiling, visibility and more — exceed your preset limits.

AVIATION MORNING REPORT

Get a briefing on the day’s anticipated weather conditions at your current location along with a customized overview of your sleep, recovery, HRV status and more as soon as you wake up.

DIRECT-TO NAVIGATION

Get phone-free navigation straight to the nearest airport — or any location or waypoint in the worldwide aeronautical database.

HSI COURSE NEEDLE

Easily see if you’re left or right of the desired flight path to your destination.

PULSE OX SENSOR

See how well your body’s oxygen levels are adjusting to thinner air at higher altitudes by checking Pulse Ox² right on your wrist.

BAROMETRIC ALTIMETER

See when you’ve reached your desired altitude — or get a vibration alert when reaching an altitude where supplemental oxygen may be required.

FLIGHT LOGGING

Automatically track flights, and transfer date, duration and more to your flyGarmin.com^® account¹.

CONFIGURABLE ALERTS

Set notifications for new METAR and TAF reports, changing conditions and more.

ALERTS AND TIMERS

Get reminders when it’s time to switch fuel tanks or perform other time-critical tasks.

UTC AND TIME ZONES

Stay on schedule when you travel with a UTC pointer plus multiple time zone displays.

SUNRISE/SUNSET WIDGET

Get daily indications for times of sunrise and sunset — plus hours for civil twilight.

PLANESYNC COMPATIBLE

View the status of PlaneSync technology-equipped aircraft, including fuel, electrical, database and location.

Plus a whole slew of other great fitness and outdoor features to keep you in tip-top shape and connected to the world.