Garmin Forerunner 165 GPS Running Smartwatch, 43 mm AMOLED, Whitestone

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Product guide

Garmin Forerunner 165 GPS Running Smartwatch, 43 mm AMOLED, Whitestone

Whitestone: The Garmin Forerunner 165 is a 43 mm GPS running smartwatch with an AMOLED touchscreen, built-in GPS and training features. Garmin lists up to 11 days in smartwatch mode and up to 19 hours in GPS mode, so the battery figure depends on how you use it.

At a glance

Built-in GPS and wrist-based heart-rate tracking are listed for running pace and distance.
Training features include adaptive daily workout suggestions, Garmin Coach and race-adaptive plans.
Morning Report brings together sleep, recovery, training outlook, weather and HRV status. Garmin says these tracked metrics are intended as close estimations.
Safety and tracking features can send live location to emergency contacts when paired with a compatible smartphone. Incident detection applies during select outdoor activities.
Smart notifications require a paired Android or Apple smartphone. Garmin Pay requires a supported country and payment network.

Price

£135.00Save 17%

Reference price: ~~£163.02~~

Price checked: 14 Nov 2026

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Often bought together

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£8.58

Pros and cons

Pros

AMOLED touchscreen is paired with traditional button controls.
25+ built-in activity profiles are listed, including running, cycling, HIIT and strength.
The claimed battery durations are stated separately for smartwatch and GPS modes, helping set expectations for different usage.

Cons

Garmin's stated GPS-mode battery duration is shorter than its smartwatch-mode claim, a relevant trade-off for frequent GPS workouts.

Technical specifications

22 specifications

Identity
Brand	Garmin
Model	Forerunner 165
Colour	Whitestone

Display
Screen size	1.2 Inches
Screen technology listed	AMOLED
Resolution	324 x 394

Connectivity and controls
Wireless connection listed	Bluetooth
Control methods listed	GPS
Inputs	Buttons, Touchscreen
GPS	Built-in GPS

Power and battery
Battery life listed	264 Hours
Battery type	Lithium Ion
Smartwatch mode claim	Up to 11 days of battery life in smartwatch mode
GPS mode claim	up to 19 hours in GPS mode

Dimensions and wear
Form factor	Round
Dimensions listed	43 x 43 x 12 millimetres
Weight listed	1.38 Ounces
Band material	Silicone
Band width	20 Millimetres

Protection and storage
Water resistance listed	Waterproof
Water resistance depth	50 Metres
Storage listed	4 GB

What to know before buying

Listing details to confirm

The listing gives different battery figures: up to 11 days in smartwatch mode and up to 19 hours in GPS mode, while another detail field says 264 Hours. These are inconsistent listing details, not a confirmed battery performance result. The listing also calls the controls GPS despite separately specifying buttons and touchscreen, and labels the operating system Android while describing smartphone compatibility with Android and Apple devices. Confirm which specifications apply to this model and use case before buying. Garmin describes health and training metrics as estimations. Safety features require a compatible paired smartphone, and incident detection is limited to select outdoor activities.

What’s in the box

Included

Forerunner 165
Charging cable
Documentation

Who is it for?

A good fit for

Runners who want built-in GPS, wrist-based heart rate and training guidance on the watch.
Buyers looking for an AMOLED display with both touchscreen and button operation.
People who also want multiple listed activity profiles and paired-phone notifications.

Less suited to

Anyone who needs GPS workouts to match the longer smartwatch-mode battery claim.
Buyers seeking phone-independent emergency location sharing, since the listed safety feature requires a compatible paired smartphone.

Garmin Forerunner 165 GPS Running Smartwatch, 43 mm AMOLED, Whitestone · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 5,387 ratings

5 stars79%79%
4 stars9%9%
3 stars4%4%
2 stars1%1%
1 star7%7%

Customer feedback describes the watch as functional, with positive comments about battery life, display clarity, tracking accuracy, setup and the amount of health and wellness information. Some customers also find it confusing to use. That mix matters if you want broad training and tracking features but prefer a simple interface. Reported charging intervals of 10–14 days are customer experience, not a guaranteed duration, and differ from the listing's mode-specific battery claims.

Positive themes

Customers report a clear display and useful health and wellness information.
Customers praise battery life and tracking accuracy, including heart-rate and distance tracking.
Some customers find setup easy.

Mixed feedback

Some customers find the watch confusing to use despite reports of easy setup.

Frequently asked questions

How long does the Forerunner 165 battery last?

The listing claims up to 11 days in smartwatch mode and up to 19 hours in GPS mode. A separate detail field says 264 Hours, so the listing's battery information is inconsistent. Treat the mode-specific claims as distinct and confirm the applicable figure.

Does it have built-in GPS?

Yes. Built-in GPS is listed, alongside wrist-based heart-rate tracking for running pace and distance.

Can its safety features work without a phone?

The listed safety and tracking features send live location to emergency contacts when paired with a compatible smartphone. Incident detection is specified for select outdoor activities.

What comes in the box?

The supplied contents list names the Forerunner 165, a charging cable and documentation.