Garmin Forerunner 165, Running Smartwatch, Colorful AMOLED Display, Training Metrics and Recovery Insights, Black

Key Specifications

Product Dimensions
1.69 x 0.46 x 1.69 inches
Item Weight
1.38 ounces
Screen Size
1.2 Inches
Shape
Round
Battery Cell Composition
Lithium Polymer
Wireless Communication Standard
Bluetooth

Reviewed by 3784 people this week!

★★★★
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Garmin
4.7
3784 reviews
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Garmin Forerunner 165, Running Smartwatch, Colorful AMOLED Display, Training Metrics and Recovery Insights, Black

The Garmin Forerunner is a running- and fitness-oriented smartwatch featuring built-in GPS, a bright AMOLED (or high-quality) touchscreen, and a lightweight 43 mm case. It aims to deliver accurate pace and distance tracking, heart-rate monitoring, multiple sport/activity profiles, and long battery life — making it suitable for regular runners, athletes, or anyone wanting a serious fitness watch rather than just a “smartwatch.”

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2-Year Warranty
30-Day Returns

Key Features

Easy-to-use running smartwatch with built-in GPS for pace/distance and wrist-based heart rate; brilliant AMOLED touchscreen display with traditional button controls; lightweight design in 43 mm size
Up to 11 days of battery life in smartwatch mode and up to 19 hours in GPS mode
Reach your goals with personalized daily suggested workouts that adapt based on performance and recovery; use Garmin Coach and race adaptive training plans to get workout suggestions for specific events
25+ built-in activity profiles include running, cycling, HIIT, strength and more
As soon as you wake up, get your morning report with an overview of your sleep, recovery and training outlook alongside weather and HRV status (data presented is intended to be a close estimation of metrics tracked)

The Garmin Forerunner is a running- and fitness-oriented smartwatch featuring built-in GPS, a bright AMOLED (or high-quality) touchscreen, and a lightweight 43 mm case. It aims to deliver accurate pace and distance tracking, heart-rate monitoring, multiple sport/activity profiles, and long battery life — making it suitable for regular runners, athletes, or anyone wanting a serious fitness watch rather than just a “smartwatch.”

Available Colors

Black
Whitestone
+ more

Available Styles & Variants

Standard
Music

Key Considerations

1

Built-in GPS and accurate optical heart-rate sensors yield more reliable data. The better the sensors and algorithms, the more trustworthy your workout/health data will be.

2

Battery capacity and energy consumption (display, GPS, sensors) determine how practical the watch is for frequent use. A watch is more useful if it lasts multiple days without frequent charging — especially for daily wear, sleep tracking, or long training sessions.

3

A watch that supports multiple types of workouts — from running to cycling, HIIT, strength, etc. — offers better versatility and long-term value. Training plans, recovery tracking, and adaptive workouts improve training quality.

4

A watch that is comfortable, lightweight, water-resistant (or rugged), and with a clear, easy-to-read display remains practical for daily use, not just workouts.

5

A fitness-focused watch may deprioritize “smartwatch” features (notifications, calls, apps) but excel at fitness/health tracking and reliability. If your priority is training rather than phone-like features, this is fine. Otherwise, smartwatch-heavy devices may suit better.

1

Since this watch is built for runners/athletes, the reliability of GPS (for pace/distance) and heart-rate (for effort, recovery) is critical. If those are inaccurate, the usefulness drops significantly. The claimed ~11-day battery life in smartwatch mode makes the watch viable for daily wear (sleep, steps, notifications) without charging often, which encourages consistent use rather than sporadic — key for tracking progress over time.

These factors represent the most critical aspects that will impact your satisfaction with this product.

Customer Reviews

Excellent Fitness Watch!!
2025-12-11T17:42:43.675Z

I’ve been really happy with my Garmin Forerunner 165. The battery life is good overall, though I do wish it didn’t drain as quickly during heavy use. Luckily, it charges back up very fast, so it never feels like a hassle.

U
Angel
Great running watch
2025-12-11T17:42:54.227Z

I’ve been running for over 20 years and have only ever used by Apple Watch and before that my timex iron man running watch. Getting a dedicated running watch like this is a game changer. So many more metrics and options to use while running and to review after running has really made me a better runner.

U
BigRon

Frequently Asked Questions

Final Verdict

The Garmin Forerunner smartwatch stands out as a strong fitness/running-focused watch: with built-in GPS, heart-rate monitoring, multiple workout profiles and adaptive training support, it’s designed for users serious about exercise, running, or general fitness. Its long battery life and lightweight build make it practical for everyday wear (not just workouts). If your goal is consistent activity tracking, training improvement, and a durable fitness tool — rather than a full “smartphone on wrist” — this watch represents a smart, future-proof choice.