Garmin MARQ Adventurer (Gen 3): specs, who it fits and compatible phones

Garmin MARQ Adventurer (Gen 3) is a sport watch released in 2026 that works with iPhone and Android. It lists Multi-system GNSS, 10ATM and Garmin Pay.

Specifications

Release year	2026
Case size	47 mm
Display	AMOLED
Brightness	3000 nits
Battery as listed	Up to 18 days (7 days with always-on display)
Water rating	10ATM
Glass	Sapphire
Case material	Grade 5 titanium case
GPS type	Multi-system GNSS
Offline maps	Yes
Operating system	Not listed
Works with	iPhone and Android
Connection	LTE-M (data only)
Contactless wallet	Garmin Pay
Plan needed	Required
Health sensors	SpO2, Heart rate, HRV, Skin temperature, ECG
Safety features	SOS

Who it fits

Works with iPhone and Android.
Lists SOS or fall detection, see our guide for older adults.
Lists an exact water rating of 5ATM or higher.

How it compares

Closest models from Garmin

Model	Release year	Case size	Battery as listed	Water rating	GPS type	Works with
Garmin MARQ Athlete (Gen 3)	2026	47 mm	Up to 18 days (7 days with always-on display)	10ATM	Multi-system GNSS	iOS and Android
Garmin MARQ Aviator (Gen 3)	2026	47 mm	Up to 18 days (7 days with always-on display)	10ATM	Multi-system GNSS	iOS and Android
Garmin MARQ Commander (Gen 3)	2026	47 mm	Up to 18 days (7 days with always-on display)	10ATM	Multi-system GNSS	iOS and Android

Closest models from other brands

Model	Release year	Case size	Battery as listed	Water rating	GPS type	Works with
Amazfit T-Rex Ultra 2	2026	48 mm	Up to 30 days · 50+ GPS hours	10ATM	Dual-band GNSS + maps	iOS and Android
Suunto Run 2	2026	46 mm	Up to 10 days	5ATM	Dual-band GNSS + maps	iOS and Android
Amazfit T-Rex Dual Solar	2026	51.4 mm	Up to 25 days · 34 with sun	10ATM	Dual-band GNSS + maps	iOS and Android

Compared with Garmin MARQ Athlete (Gen 3), Garmin MARQ Adventurer (Gen 3) lists the same values on every exact field we compare.

Compared with Garmin MARQ Aviator (Gen 3), Garmin MARQ Adventurer (Gen 3) lists the same values on every exact field we compare.

Compared with Garmin MARQ Commander (Gen 3), Garmin MARQ Adventurer (Gen 3) lists the same values on every exact field we compare.

Compared with Amazfit T-Rex Ultra 2, Garmin MARQ Adventurer (Gen 3) lists Grade 5 titanium case case material, where Amazfit T-Rex Ultra 2 lists Grade-5 titanium bezel and back and a contactless wallet (Garmin Pay), which Amazfit T-Rex Ultra 2 does not list.

Compared with Suunto Run 2, Garmin MARQ Adventurer (Gen 3) lists a higher ATM rating (10 against 5), a brighter listed display (3000 nits against 2000) and Grade 5 titanium case case material, where Suunto Run 2 lists Stainless steel bezel.

Compared with Amazfit T-Rex Dual Solar, Garmin MARQ Adventurer (Gen 3) lists a smaller case (47 mm against 51.4 mm), Grade 5 titanium case case material, where Amazfit T-Rex Dual Solar lists Grade 5 titanium and a contactless wallet (Garmin Pay), which Amazfit T-Rex Dual Solar does not list.

Only values listed exactly are compared.

Position in the catalog

Its case size of 47 mm is larger than 25% of 36 sport watches with a single exact size. Its exact water rating of 10ATM is above 38% of 55 sport watches with a single exact ATM rating. It was released in 2026. Among 60 sport watches with an exact release year, 100% were released in 2026 or earlier and 40% were released in 2026 or later.

Phone compatibility and plan

A plan or service is required for key features. Check the maker's page for terms.

Sensors and features are listed as the maker names them and are not medical measurements.

Related guides and lists

Last verified September 26, 2026

Features change with updates. Check the maker's current details. See our methodology