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Garmin Forerunner 645

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  1. User ratingsUser ratingsratings of product added by Productz users
  2. Expert ratingsExpert ratingsexperts ratings from editorial reviews
  3. Consumer ratingsConsumer ratingsratings from the biggest online stores worldwide
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  4. Average
3.9
based on all reviews
User ratings:
53
4.0 out of 5
53 user ratings
5 stars
35 %
4 stars
37 %
3 stars
15 %
2 stars
9 %
1 stars
1 %
Consumer ratings:
3.8 / 5
Editorial reviews:
10
  1. See more
3.8 out of 5
6 user ratings
5 stars
16 %
4 stars
50 %
3 stars
33 %
2 stars
0 %
1 stars
0 %
Read editorial reviews

Pros

  • long-awaited and much-appreciated upgrade
  • lighter
  • sleeker

Cons

  • lack of music was becoming a hindrance
  • iHeartRadio is the only one that allows offline song storage on the watch
  • rarely separated from my phone while doing so

Key specs

  • 240, 240 px
  • no
  • yes
  • Men's, Women's
  • Built-in
  • yes
  • yes

Compare technical data of the product to its category

Garmin

Garmin Forerunner 645 - Pros & Cons

Garmin Forerunner 645

Pros

  • long-awaited and much-appreciated upgrade
  • lighter
  • sleeker
  • and more stylish in
  • hiking is actually very good exercise
  • it was perfect for runners
  • new ways of thinking
  • new connections
  • and new industries
  • The screen is very easy to read in direct sunlight
  • Forerunner 645 delivered superlative performance in testing

Cons

  • lack of music was becoming a hindrance
  • iHeartRadio is the only one that allows offline song storage on the watch
  • rarely separated from my phone while doing so
  • back buttons on the opposite side
  • there are no native podcast apps for the Apple Watch or for Android Wear devices
  • Garmin Connect app was still being finalized
  • You can only see this feature on the connected app
  • Garmin s devices get mine thumping
  • doesn t have a touchscreen
  • prone to accidentally swiping or tapping a touchscreen
  • can't record heart rate and the sleep data might be inaccurate

Garmin Forerunner 645 - Technical Overview

PoorAverageGoodExcellent
IconWaterproof depth
5 m
Best:
IconWeight
41.8 g

Garmin - Video Reviews (9)

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Garmin Forerunner 645 - Full Specifications

Icon
Display
Screen resolution240 x 240 px
Touchscreenno
Colour screenyes
Icon
Design
Colour of product
  • Beige
  • Black,Stainless steel
  • Grey
  • Purple
Band materialSilicone
Protection featuresWater resistant
Waterproof depth5
Icon
Connectivity
Bluetoothyes
GLONASSyes
GPSyes
Icon
Dimensions
Gender
  • Men's
  • Women's
Width1.67 in
Depth1.67 in
Weight1.47 oz
Thickness0.53 in
Icon
Features
Heart Rate MonitorBuilt-in
Distance meteryes
Calorie counteryes
ANT+yes
Alarmyes
Altimeteryes
Barometeryes
Compassyes
Date displayyes
Display lightyes
Pedometeryes
Sleep readingyes
Speedometeryes
Stopwatchyes
Temperature sensoryes
Timeryes
Vibration alarmyes
Icon
Power
Battery typeBuilt-in
Battery life (running)168.0 h
Battery life (standby mode)7.0 day

Garmin Forerunner 645 - Q&A (20)

  • 0
    Votes
    Productz
    over 1 year ago
    Can you wear Garmin Forerunner 645 in shower?
    pamala_daniel
    over 1 year ago
    The Garmin Forerunner 645 is water resistant up to 5ATM, meaning that you can even take it for a shower.
    Helpful?
  • 0
    Votes
    Productz
    over 1 year ago
    How do I setup my Garmin Forerunner 645?
    sharie
    over 1 year ago
    To set up you need to install the Garmin Forerunner 645 Connect App from the phone's app store.
    Helpful?
  • 0
    Votes
    Productz
    over 1 year ago
    Can I make a call from a Garmin Forerunner 645?
    milford
    over 1 year ago
    The Garmin Forerunner 645 doesn't have a speaker or microphone, so you can't make phone calls with it.
    Helpful?
  • 0
    Votes
    elidia_wisoky
    over 2 years ago
    Can you use Spotify on The Garmin Forerunner 645?
    rivka
    about 2 years ago
    When your Garmin Forerunner 645 watch connects to Wi-Fi, it will sync with Spotify allowing you to select your saved playlists to download.
    Helpful?
  • 0
    Votes
    andera
    about 2 years ago
    Does The Garmin Forerunner 645 support golf?
    rueben_parker
    about 2 years ago
    There is no Golf activity profile included in the Garmin Forerunner 645.
    Helpful?
  • 0
    Votes
    nicky
    about 2 years ago
    Does The Garmin Forerunner 645 have maps?
    adelina.parisian
    about 2 years ago
    No, The Garmin Forerunner 645 does not have a built-in map display.
    Helpful?
  • 0
    Votes
    thomas
    about 2 years ago
    Does Garmin Forerunner 645 have pulse oximeter?
    beau.beer
    about 2 years ago
    The Garmin Forerunner 645 doesn't have Pulse Ox. It measures how your body absorbs oxygen and is important for athletes training with intensity in hypoxic (low oxygen environment) conditions or athletes training at altitude.
    Helpful?
  • 0
    Votes
    mila_schamberger
    over 2 years ago
    Is the Garmin Forerunner 645 worth it?
    alla.legros
    about 2 years ago
    The Garmin Forerunner 645 is one of the best trackers for outdoor training. It is capable of tracking heart rate, distance and pace, but also features advanced running dynamics.
    Helpful?
  • 0
    Votes
    silas.moore
    about 2 years ago
    Can Garmin Forerunner 645 go in salt water?
    sammy_stehr
    about 2 years ago
    Yes, you can. Just clean the Garmin Forerunner 645 watch after with fresh water.
    Helpful?
  • 0
    Votes
    frederick
    about 2 years ago
    Why is my Garmin Forerunner 645 elevation gain wrong?
    shirley.wilkinson
    about 2 years ago
    Your Garmin Forerunner 645 has a clogged port leading to the sensor, resulting in incorrect readings.
    Helpful?
  • 0
    Votes
    rosanna_blanda
    about 2 years ago
    Is the Garmin Forerunner 645 good for Scuba diving?
    kraig
    about 2 years ago
    Garmin Forerunner 645 is not an underwater device. It is intended for surface swimming only. Scuba diving with the device may damage it.
    Helpful?
  • 0
    Votes
    gertude_hegmann
    over 2 years ago
    Does The Garmin Forerunner 645 have multisport?
    versie.kutch
    about 2 years ago
    The Garmin Forerunner 645 is not a multisport device, and it does not provide the capability of tracking multiple sport types in one activity.
    Helpful?
  • 0
    Votes
    maximo
    about 2 years ago
    Can I wear my Garmin Forerunner 645 at swimming?
    lindsey_hayes
    about 2 years ago
    Garmin Forerunner 645 comes with water resistance rating of 5 ATM (50 meters). you can usage it while surface swimming without resulting in damage.
    Helpful?
  • 0
    Votes
    damien.barrows
    over 2 years ago
    How do I play music on my Garmin Forerunner 645?
    quentin
    about 2 years ago
    Open the music controls by holding DOWN from any screen. Connect your headphones with Bluetooth.
    Helpful?
  • 0
    Votes
    Productz
    over 1 year ago
    What can the Garmin Forerunner 645 do?
    angeline
    over 1 year ago
    The Garmin Forerunner 645 comes with excellent features for fitness tracking (heart rate, sleep tracking), activity tracking, temperature, touchless payment, and compass.
    Helpful?
  • 0
    Votes
    ed
    about 2 years ago
    Is The Garmin Forerunner 645 waterproof?
    adolph.marks
    about 2 years ago
    Yes, Garmin Forerunner 645 watch is rated to 5 ATM (50 metres) to be safe for swimming.
    Helpful?
  • 0
    Votes
    jacqueline
    about 2 years ago
    Is The Garmin Forerunner 645 compatible with iPhone?
    destiny_kuhn
    about 2 years ago
    Garmin Forerunner 645 is compatible with of iOS devices such as iPhones, iPads and the iPod Touch.
    Helpful?
  • 0
    Votes
    van.predovic
    about 2 years ago
    Is The Garmin Forerunner 645 have touchscreen?
    kenton
    about 2 years ago
    There's no touchscreen. Instead, the Garmin Forerunner 645 is controlled by five buttons.
    Helpful?
  • 0
    Votes
    Productz
    over 1 year ago
    Which is better Garmin Forerunner 645 or 245?
    elidia_paucek
    over 1 year ago
    If you're a trail runner, hiker, or biker who wants accurate elevation stats and mapping capabilities, the Garmin Forerunner 645 is a better choice than the Forerunner 245.
    Helpful?
  • 0
    Votes
    terry_schmeler
    about 2 years ago
    Does The Garmin Forerunner 645 track sleep?
    teofila
    about 2 years ago
    The Garmin Forerunner 645 detects your sleep automatically and monitors your movement during your normal sleep hours.
    Helpful?
  • Don't see the answer you're looking for?

Garmin Forerunner 645 Garmin - Editorial Reviews (10)

3.8
Based on 10 reviews
  • 5
  • 4
  • 3
  • 2
  • 1
Garmin Forerunner 645 Garmin Forerunner 645 Music GPS Running Watch In-Depth Review
DC Rainmaker logo
DC Rainmaker
Published: 06.03.2018
Garmin Forerunner 645 Music GPS Running Watch In-Depth Review

It’s been almost two months since Garmin announced the FR645 and FR645 Music (aka FR645M), its first wearable with music onboard.  Past Garmin watches could control music on your phone, but none could have music loaded on it and play

Garmin Forerunner 645 Garmin Forerunner 645 Music Review
PCMAG logo
PCMAG
Published: 26.04.2018
Garmin Forerunner 645 Music Review
4.0

The Garmin Forerunner 645 Music is an excellent standalone fitness tracker for outdoor exercise enthusiasts looking for a wealth of metrics.

Garmin Forerunner 645 Garmin Forerunner 645 Music review
TechRadar logo
TechRadar
Published: 27.11.2018
Garmin Forerunner 645 Music review
3.0

Is this the final missing piece of the running watch puzzle?

Garmin Forerunner 645 Garmin Forerunner 645 Music review | Stuff
stuff.tv/my/ logo
stuff.tv/my/
Garmin Forerunner 645 Music review | Stuff

Garmin gets its groove on, but it comes at a price...

Garmin Forerunner 645 Garmin Forerunner 645 Review: Paying a Premium for Music
Tom's Guide logo
Tom's Guide
Published: 13.04.2018
Garmin Forerunner 645 Review: Paying a Premium for Music
4.0

Garmin’s running-focused device just got a whole lot more versatile, with support for onboard music storage.

Garmin Forerunner 645 ​Garmin Forerunner 645 Music review
Wareable logo
Wareable
Published: 16.03.2018
​Garmin Forerunner 645 Music review
4.0

Our in-depth review of the Garmin Forerunner 645 Music - including new features, sports tracking, music playback and how it compares for the price

Garmin Forerunner 645 Garmin Forerunner 645 Music review: The high price of tunes on a runner’s tool
Ars Technica logo
Ars Technica
Garmin Forerunner 645 Music review: The high price of tunes on a runner’s tool

At $449, this wearable offers a lot, but runners will get the most from it.

Garmin Forerunner 645 Garmin Forerunner 645 Music Review
Best GPS Tech logo
Best GPS Tech
Published: 30.03.2018
Garmin Forerunner 645 Music Review

The new Garmin Forerunner 645 Music has helped me improve my performance and motivation as when I pound the pavements, I like to listen to some tunes in order to empty my headspace, keep pace and push myself further. Find out more in this running watch review with pros/cons and links to the best prices.

Garmin Forerunner 645 Garmin Forerunner 645 Music Review: Rock Out
WIRED logo
WIRED
Published: 14.05.2018
Garmin Forerunner 645 Music Review: Rock Out
4.5

Runners: It's time to give your trusty iPod the Viking funeral it deserves.

Garmin Forerunner 645 Garmin Forerunner 645 Music review: Ensuring you'll always have a soundtrack to your workout
hardwarezone.com.sg logo
hardwarezone.com.sg
Published: 24.07.2018
Garmin Forerunner 645 Music review: Ensuring you'll always have a soundtrack to your workout
3.3

We find out how well the Garmin Forerunner 645 Music performs as a media player and as a GPS fitness tracking smartwatch.

Often compared with Garmin Forerunner 645