Garmin MARQ Diver (Gen 3)

Quick details

Released

October 2026

Dimensions

47 x 47 x 15.0 mm

Operating system

Garmin proprietary

Display 1.4 inch (35.6 mm) diameter AMOLED (always-on capable) touchscreen

Battery life Up to 18 days smartwatch (7 days always-on)

Water resistance 10 ATM

GPS Yes

Sensors Optical heart rate, Pulse Ox, GPS, Barometric altimeter, Compass, ECG, Depth sensor

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Technical specifications

General

Release date October 2026

Product type Luxury marine and diving tool watch

Physical size 47 x 47 x 15.0 mm

Weight 95 g; 62 g case only

Material Grade 5 titanium case and bezel with ceramic inlay; sapphire crystal lens

Water resistance 10 ATM

Color options Multiple color and material combinations

Display type AMOLED touchscreen

Display size 1.4 inch diameter

Display resolution 454 x 454 pixels

Display brightness Up to 3,000 nits

Display protection Sapphire crystal

Battery Rechargeable lithium-ion battery

Battery life Up to 18 days smartwatch (7 days always-on)

Charging Garmin proprietary charging cable

Sensors

GNSS type Multi-band GNSS with SatIQ

GPS Yes

GALILEO Yes

GLONASS Yes

QZSS Yes

Beidou Yes

Accelerometer Yes

Gyroscope Yes

Barometric altimeter Yes

Compass Yes

Geomagnetic No

Ambient light sensor Yes

Optical heart rate Yes

Electrical heart rate Yes

SpO2 Yes

Temperature Yes

Galvanic skin response No

Microphone Yes

Speakers Yes

Vibration motor Yes

Health & activity tracking

Steps Yes

Distance Yes

Calories burned Yes

Floors Yes

Sports tracking Yes

Sleep Yes

Heart rate Yes

HRV Yes

Stress Yes

Blood oxygen Yes

Respiration rate Yes

Skin temperature Yes

ECG Yes

Blood pressure No

Body composition No

Glucose No

Hydration level No

UV exposure No

Calorie intake No

Hyperglycemia risk assessment No

Arterial stiffness detection No

Pulse wave arrhythmia analysis No

Daily smart features

Smartphone compatibility Android and iOS

Operating system at launch Garmin proprietary

Storage 128 GB

Bluetooth Yes

Wi-Fi Yes

NFC / connected pay Yes

UWB No

Cellular Yes (LTE)

Smartphone notifications Yes

Bluetooth calling Yes (paired smartphone)

Smartphone music control Yes

On-board music storage Yes

Voice assistant Yes (paired smartphone)

Garmin performance & training

Body Battery Yes

Training Readiness Yes

Training Status Yes

Training Load Focus Yes

Endurance Score Yes

Hill Score Yes

Real-Time Stamina Yes

Running Tolerance Yes

Running Economy Yes (compatible accessory)

Step Speed Loss Yes (compatible accessory)

Performance Condition Yes

PacePro Yes

ClimbPro Yes

Jet Lag Adviser Yes

Daily Suggested Workouts Yes

Race Widget Yes

Morning Report Yes

Garmin Coach Yes

Garmin Epic Yes

Rucking workouts Yes (mid-activity pack weight adjustment up to 100 kg; GORUCK workouts)

Indoor rowing VO2 max Yes (requires compatible rower)

Indoor rowing FTP Yes (requires compatible rower)

Indoor rowing power curve / zones Yes (requires compatible rower)

Indoor rowing lactate threshold Yes (requires compatible rower)

Indoor rowing max heart rate Yes

Garmin golf

Golf course maps Yes

Green View Yes

Hazard View Yes

Garmin AutoShot Yes

PlaysLike Distance Yes

PinPointer Yes

Touch Targeting Yes

Virtual Caddie Yes

Green Contours Yes (with Garmin Golf membership)

Club tracking compatibility Yes

Swing Tempo Yes

Tempo Training Yes

Garmin tactical

Stealth Mode No

Kill Switch No

Jumpmaster No

Night Vision compatibility No

Applied Ballistics No

Garmin aviation

Direct-to/Nearest airport navigation No

Aviation maps No

METAR/TAF weather No

NEXRAD radar No

Automatic flight logging No

Garmin Pilot flight-plan transfer No

Garmin diving

Dive modes Yes (single-gas scuba and apnea)

Air integration No

SubWave networking No

Dive Readiness No

DiveView maps No

Diver-to-diver messaging No

Garmin marine

Chartplotter connectivity Yes

Autopilot control Yes

Fusion-Link Yes

Boat data streaming Yes

Tide data Yes

Garmin ecosystem

Connect IQ Yes

Built-in inReach Yes (LTE and satellite; active inReach plan required)

Garmin Locate Yes

Garmin Messenger LiveTrack Yes (push notifications)

Satellite / LTE weather forecasts Yes

Links

Affiliate link Garmin

These technical specs are correct to the best of our knowledge at the time of publishing.