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  1. Smartwatches

Garmin Forerunner 45 Black

8,6/10 (217 reviews)
View all accessories
Garmin smartwatches
Garmin Forerunner 45 Black

Never available again

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This product is currently retired. Fortunately, we have a lot of new, similar models. Check out the assortment and find the product that suits you.

Product information

Key specs

Compatible with operating system
Android, iOS
Recommended for wrist circumference
17 - 19 cm
Quality of sports readings
Decent
Battery life in time mode
168 hours
Type of heart rate measurement
Optical heart rate measurement
View all specifications

Pros and cons

According to our smartwatch expert
  • The watch displays heart rate zones while you're working out, so you can workout with a specific target in mind, for instance to improve your stamina.
  • With GPS and GLONASS, the watch determines your location, speed, and route more accurately than comparable watches.
  • Is compatible with the sports app Strava. This means you get extensive analyses and can share your performance with friends and followers.
  • The watch doesn't support music storage, so you have to take your phone with you each workout.
  • Doesn't have a trackback function that navigates you back the way you came from.
  • Garmin isn't compatible with all Huawei smartphones.
Product Expert smartwatches

Description

With the Garmin Forerunner 45, you're always aware of your heart rate. The integrated heart rate sensor automatically measures your heart rate throughout the day. You'll also stay informed of your calories burned, steps taken, and your sleep. The smartwatch automatically recognizes the moment you begin your training. Nobody around to join you in your exercise? With the virtual partner, your watch will always give you a worthy opponent. You can easily connect the smartwatch to your Android or Apple smartphone via Bluetooth. That way, you can see notifications of WhatsApp, Facebook, and Instagram coming in on your wrist.

Note: an adapter isn't included. Do you want to charge the watch via a socket? If so, order an adapter separately.

With the Garmin Forerunner 45, you're always aware of your heart rate. The integrated heart rate sensor automatically measures your heart rate throughout the day. You'll also stay informed of your calories burned, steps taken, and your sleep. The smartwatch automatically recognizes the moment you begin your training. Nobody around to join you in your exercise? With the virtual partner, your watch will always give you a worthy opponent. You can easily connect the smartwatch to your Android or Apple smartphone via Bluetooth. That way, you can see notifications of WhatsApp, Facebook, and Instagram coming in on your wrist.

Note: an adapter isn't included. Do you want to charge the watch via a socket? If so, order an adapter separately.

Tips for using this product

Tips for using this product

Read our tips and find out all about how to set up your product and use it the right way.

View all support

Included by default

  • Manual (4.01 MB)
  • USB-A charging cable (excluding adapter)
  • Watch strap (wrist circumference 12.9 - 19.7cm)

Included by default

  • Manual (4.01 MB)
  • USB-A charging cable (excluding adapter)
  • Watch strap (wrist circumference 12.9 - 19.7cm)

Key specs

Compatible with operating system
Android, iOS
Recommended for wrist circumference
17 - 19 cm
Quality of sports readings
Decent
Battery life in time mode
168 hours
Type of heart rate measurement
Optical heart rate measurement
View all specifications

Complete your purchase

Highlighted

How do you choose the right watch size?
It's important to choose the right watch size. If you choose a watch that's too large or small, it probably won't fit well or it won't look good on your wrist. In this article, we'll you what to look out for when choosing the right size.

Visit our stores for personal advice
Get personal advice from our smartwatch experts in one of our stores.

Make an advice appointment in our store

Do you want more information about a watch or do you want to compare several smartwatches? Our experts in the store will answer all your questions and are happy to show you the differences.

Have a screen protector applied to your smartwatch
In all our stores, we cut screen protectors to size and apply them to your screen for you. This way, you know for sure that the protective film fits and it's applied to the screen without bubbles. This is possible for a new watch, but also for your current smartwatch.

Reviews

217 reviews
8,6/10 (217 reviews)

Rating

90 reviews with 5 stars

113 reviews with 4 stars

11 reviews with 3 stars

3 reviews with 2 stars

0 reviews with 1 star

Rating per section

User friendliness
9,0
Battery life
8,7
Wearing comfort
10,0
Design
8,7
Options
8,7

Customer images

Most helpful reviews

6,3/10

Limited fit for interval zone training

  • GPS is accurate
  • Interval workouts only available for running and cycling.
  • Harald van engelen
  • 27 December 2019
  • Automatically translated from Dutch
8,7/10

All basic functions are in it without bells and whistles

  • Price
  • Basic Features
  • Software 3.20 still contains some bugs
  • Patrick m
  • 24 January 2020
  • Automatically translated from Dutch
5,7/10

Not recommended, software not good/correct/done!

  • Price
  • Many functionalities
  • Watch does not function properly
  • Joost
  • 3 April 2020
  • Automatically translated from Dutch
9,0/10

Beautiful, light and easy to use watch

  • Easy to use
  • Quickly connected to phone
  • Battery could be better
  • Bram
  • 15 August 2019
  • Automatically translated from Dutch
6,7/10

Do not

  • looks nice
  • light
  • not very intuitive to use
  • Louis van der van der ven
  • 23 June 2020
  • Automatically translated from Dutch
9,2/10

Compact running watch with smartwatch functions

  • Compact
  • Extended functions
  • Fragile construction ???
  • Roel w
  • 5 June 2019
  • Automatically translated from Dutch
8,4/10

A good watch for sports and everyday use

  • Ease of use
  • Battery life
  • Judith van deth
  • 10 June 2019
  • Automatically translated from Dutch
8,0/10

Nice watch if you don't want too much

  • design
  • Battery
  • GPS signal
  • Martijn de jager
  • 6 January 2020
  • Automatically translated from Dutch
9,7/10

Compact but completely stylish watch

  • Long battery life, even with workouts
  • Simple menu structure
  • App and watch sometimes don't connect
  • Whitney ouwerkerk
  • 24 October 2019
  • Automatically translated from Dutch
8,0/10

Highly recommended to get started on your own!

  • Fun workouts for running
  • Once set up easy and clear
  • Workout from connect not compatible
  • Ruud
  • 24 April 2020
  • Automatically translated from Dutch
6,3/10

Limited fit for interval zone training

  • GPS is accurate
  • Interval workouts only available for running and cycling.

My requirements for my new sports watch are simple: to set up workouts at intervals, with a signal function so that I know whether the pace needs to be increased or decreased.

When setting up the Garmin, I still run into limitations. First of all, interval workouts are only available for running and cycling. For other activities you have to set alarms, but that is only one zone for the whole activity. You do that in the watch and not - like the workouts - in the app, that takes some searching.

It is not possible to turn off the sound during an activity (you can with the simplest sports watch from other brands). Some things are also unclear. When creating a workout, you can choose Custom, for example, but it will not appear in the watch (because: no running and cycling). The usefulness of creating this workout eludes me.

It is also not possible to give an activity its own name, such as skating. So if I'm going to skate indoors I choose an elliptical trainer ;)

If you are outside the heart rate zone during an activity, you will receive a signal. Your target heart rate will then be shown on the watch for 5 seconds, so not your current heart rate. Inconvenient, because you do not see how far you are from the border. Moreover: if the upper limit and lower limit are close to each other, you do not know whether you have to go harder or softer. It would be logical and simple if the tone or vibration for the upper and lower bounds were different.

All in all, I do find opportunities to exercise with Garmin, but to be honest I expected more.

  • Harald van engelen
  • 27 December 2019
  • Automatically translated from Dutch
8,7/10

All basic functions are in it without bells and whistles

  • Price
  • Basic Features
  • Light to wear
  • Software 3.20 still contains some bugs

Bought a Garmin running watch as a backup and it does exactly what I minimally need: time, heart rate, distance, speed, laps. Also general activity and sleep tracking, but that is not a goal in itself. Works fine.

  • Patrick m
  • 24 January 2020
  • Automatically translated from Dutch
5,7/10

Not recommended, software not good/correct/done!

  • Price
  • Many functionalities
  • Watch does not function properly

In itself it would be a good watch, if the software would function correctly. The watch's software is simply unfinished. On my watch, the time display spontaneously jumps to 12:00 hours, while I want and have specified 24:00 hours. While running, the watch displays the distance in miles. However, the watch does give a signal when full kilometers are reached. Eastern European texts also appear in a menu, while Dutch texts are displayed at other times. Contacted Garmin, known issues, we're going to do something about it. When? In the future!

  • Joost
  • 3 April 2020
  • Automatically translated from Dutch
View all 217 reviews

Insure your smartwatch

You can select one of the Backup Plans below in your shopping cart. It will protect your brand new smartwatch against damage and/or theft.

Garmin Forerunner 45 Black
  • Backup Plan Damage - Cancellable monthly
    2,79 per month
  • Backup Plan Complete - Cancellable monthly
    3,49 per month
  • 2-year Backup Plan Damage
    35,99 one-time payment
  • 2-year Backup Plan Complete
    49,00 one-time payment

Will this large watch look good on my wrist?

Will this large watch look good on my wrist?
This watch has a large watch case. We recommend these if you have a wrist circumference...
View more information
This watch has a large watch case. We recommend these if you have a wrist circumference between 17 and 19cm. Measure your wrist circumference 2 fingers above your wrist joint, just above the protruding part. Is your wrist circumference smaller or larger? This watch may not be the best for you. Read which watch case size we do recommend.

Specifications

Product

Product number
830685
Manufacturer code
010-02156-15
Brand
Garmin
Warranty
2 years
Processing of your defect
Via Coolblue
Old product returned for free
Yes

Operating system

Compatible with operating system
Android, iOS
Required iPhone model
No impact
Operating system
Garmin OS
Year introduced
2019
Guaranteed support with updates
48 months after release date

General properties smartwatch

Watch case color
Black
Watch case material
Plastic
Watch case shape
Round
Width
42 mm
Depth
11 mm
Weight
36 g
Size watch case
Large
Recommended for wrist circumference
17 - 19 cm
Water resistance
5
Shockproof
No
Controlled via buttons on device
Yes

Watch strap properties

Watch strap material
Plastic
Watch strap color
Black
Closure type
Buckle
Interchangeable watch strap
Yes
Compatibility watch strap
Product specific

Screen properties

Screen type
MIP
Always-on display
No
Data display
Digital
Touchscreen
No
Color screen
Yes
Adjustable watch face
Yes
Type of glass
Plastic

Battery

Battery life in time mode
168 hours
Battery life in sports mode
13 hours
Battery/battery capacity
180 Ah
Energy source solar power
No
Wireless charging
No

Connectivity

Options internet connection
WiFi only
Bluetooth
Yes
ANT+
Yes
Independent music player
No
Music controls
Yes
Built-in microphone
No
Built-in speakers
No
Spoken directions
No
Call options
[Show incoming calls]
Smartphone notifications
Receive messages
Smart reply
No
App installation possible
Yes
Camera operation
No
NFC
No

Daily activities

Pedometer
Yes
Measures distance
Yes
Speedometer
Yes
Calorie counter
Yes
Measures stairs climbed
No

Heart rate measurement

Heart rate measurement
Yes
Heart rate zones
Yes
Heart rate sensor
Chest strap sold separately, Integrated pulse sensor
Type of heart rate measurement
Optical heart rate measurement
Heart rate measurement moment
Continuously
Notification exceedance heart rate zone
Yes
Irregular heartbeat notification
Yes
Heart rate measurement under water
No

Health properties

Skin temperature sensor
No
Oximeter
No
Blood pressure monitor
No
EDA sensor
No
Sleep score
No
Measure REM sleep
Yes
Average heart rate during sleep
Yes
Measure recovery during sleep
Yes
Menstrual cycle tracking
Yes
Pregnancy monitoring
No

Sports properties

Quality of sports readings
Decent
Recommended for sports
Biking, Fitness, Running
Adjust sport profiles
Yes
Manual training programs
Yes
Save personal records
Yes
Measure fitness age
Yes
Recovery advice
No
Interval training
Yes
VO2 max measurement
Yes
Automatic pausing
Yes
Measures minutes of intensive training
Yes
Measures average speed during activity
Yes
Lap counter
Yes
Race prognosis
No
Measures step distance
Yes
Measure running cadence
Yes
Connection to fitness machines possible
No

GPS

Built-in GPS receiver
Yes
Global satellite navigation system
GLONASS, GPS, Galileo
GPS application
Navigation, Route registration

Sensors

Compass
No
Altimeter
No
Accelerometer
Yes
Thermometer
No

Other functionalities

Fall detection
No
Alarm function
Yes
Geofencing
No

Related products

Related products

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Garmin Forerunner 45 Black
Garmin Forerunner 45 Black
200,-
View comparison
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