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Garmin D2 Mach 2 Aviator Watch Overview:

Garmin D2 Mach 2 Aviator Smartwatch – 47mm & 51mm

The Garmin D2 Mach 2 is Garmin's most advanced aviator smartwatch yet, designed for demanding pilots who want powerful aviation tools, cutting-edge connectivity, and everyday style. Available in two sizes – 47mm and 51mm – each model features a rugged, premium build and enhanced functionality for both in-flight and everyday use.

It combines classic aviation styling with a durable DLC-coated titanium bezel, sapphire lens, bright 1.4" AMOLED touchscreen display, advanced flight mapping and powerful built-in LED flashlight. D2 Mach 2 has convenient tools for every phase of flight, including an on-device aeronautical database, HSI and Direct-to navigation. Access NEXRAD, METARs and TAFs — plus set personal minimums to stay ahead of the weather (when paired with your smartphone). The built-in speaker and microphone let you make and take calls from your wrist when your watch is paired with your smartphone. Use voice commands to get METAR information, start a flight, select a destination airport and more. Advanced health and fitness features help keep you on top of your game with strength training plans, daily suggested workouts and monitoring of heart rate, respiration, stress, sleep and more (data presented is intended to be a close estimation of metrics tracked). With up to 26 days of battery life in smartwatch mode, D2 Mach 2 is powered for life on the go.

• Sunlight-readable AMOLED display with sapphire lens and updated graphical interface
• Advanced aviation maps – topography, terrain shading, color-coded airspace, VORs, user waypoints, and more
• Weather alerts for personal minimums – get notified when conditions exceed your custom safety thresholds
• Live track log (breadcrumb trail) displays real-time flight path on the map
• Customizable aircraft icon – choose from piston, turboprop, jet, or helicopter
• Aviation morning report with weather and health summary
• Avionics connectivity with compatible systems via Garmin Pilot app
• Geo-referenced voice notes – create in-flight reminders tied to time, location, or activities
• On-device voice commands – start a flight, set a timer, check METARs, and more
• Garmin Messenger app – send and receive two-way messages right from your wrist
• SCUBA Dive-ready design – leakproof buttons, 40m dive rating, single-gas scuba support, and no-fly timer
• Built-in LED flashlight for visibility in low-light situations

With an updated design and graphical interface – plus a full suite of aviation features – the D2 Mach 2 is the most refined lineup of D2 series smartwatches to date. Built for 24/7 wear, the D2 Mach 2 features a vibrant and sunlight-readable AMOLED display under a sapphire lens with a new sensor guard and leakproof buttons. The D2 Mach 2 features the most advanced aviation maps on any Garmin aviator watch to date and includes detailed topography, terrain shading, color-coded airspace boundaries, user waypoints, intersections and VORs and more. Pilots can quickly swipe to Maps from the watch’s Fly activity page and zoom into runways to view positioning and orientation from their wrist. Aviators can track their current flight path using the live track log, or breadcrumb trail, which displays as a trailing line on the map, and they can even customize the aircraft icon to a piston, turboprop, jet or helicopter.

Additionally, pilots can set up personal minimums tolerances for weather conditions that matter most to their flying such as flight condition (MVFR, IFR, LIFR), max crosswind, max density altitude, max gust factor, max wind speed, minimum ceiling and minimum visibility. Configurable for nearest airport and multiple additional airports, the D2 Mach 2 monitors weather conditions against their own personal minimums and sends alerts when a threshold is crossed. The weather elements on the watch face will turn orange if the selected airport’s METAR is reporting weather conditions that exceed the user-configured personal minimums.

Model Options:

• D2 Mach 2 – 47mm: Titanium bezel with polymer case, Oxford brown leather band + Pilot blue/black silicone band
• D2 Mach 2 – 51mm: Carbon gray DLC titanium bezel with polymer case, vented DLC titanium bracelet + Pilot blue/black silicone band

Specifications:

• Lens Material: Sapphire Crystal
• Bezel Material: Titanium
• Case Material: Fiber-Reinforced Polymer with Metal Rear Cover
• QuickFit Release Bands: 22 mm (47mm) or 26 mm (51mm)
• Strap Material: Italian Leather and Silicone (47mm) or Titanium and Silicone (51mm)
• Physical Size: 47 x 47 x 13.8 mm (47mm) or 51 x 51 x 14.7 mm (51mm)
• Fits Wrists:
  • 47mm – Silicone Band: 125–208 mm, Leather Band: 132–210 mm
  • 51mm – Silicone Band: 127–210 mm, Metal Band: 135–225 mm
• Weight: 73 g (47mm, case only: 52 g) or 92 g (51mm, case only: 64 g)
• Water Rating: 10 ATM
• Touchscreen: Yes
• Display Type: AMOLED
• Display Size: 1.4 in (35.56 mm) Diameter
• Display Resolution: 454 x 454 pixels
• Color Display: Yes
• LED Flashlight: Yes

Battery Life:

• Smartwatch Mode: Up to 14 days (47mm) or up to 26 days (51mm)
• Always-On Display: 7 days (47mm) or 13 days (51mm)
• Battery Saver Watch Mode: Up to 23 days (47mm) or 41 days (51mm)
• GPS Only: Up to 47 hours (47mm) or 84 hours (51mm)
• GPS Always-On Display: 37 hours (47mm) or 65 hours (51mm)
• All Satellite Systems: Up to 38 hours (47mm) or 68 hours (51mm)
• All Satellite Systems Always-On: 30 hours (47mm) or 54 hours (51mm)
• All Satellite Systems + Multi-Band: Up to 35 hours (47mm) or 62 hours (51mm)
• All Satellite Systems + Multi-Band Always-On: 28 hours (47mm) or 49 hours (51mm)
• All Satellite Systems + Music: Up to 10 hours (47mm) or 18 hours (51mm)
• Max Battery GPS: Up to 81 hours (47mm) or 145 hours (51mm)
• Expedition GPS: Up to 17 days (47mm) or 31 days (51mm)
• Fly Activity (GPS + SPO2): Up to 37 hours (47mm) or 58 hours (51mm)

In the Box:

• D2 Mach 2 – 47mm: Watch, Oxford brown leather band, Pilot blue silicone band, charging/data cable, documentation
• D2 Mach 2 – 51mm: Watch, Vented Diamond Like Carbon (DLC) titanium bracelet, Pilot blue silicone band, charging/data cable, documentation