garmin forerunner 645 full specs

Garmin Forerunner 645/645 Music Full Specifications No ratings yet.

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Garmin Forerunner 645 Full Specifications – The Forerunner 645 is a nice GPS smartwatch housed in a classic design and hosts a lot of features which includes onboard music storage, NFC that supports Garmin Pay with Wi-Fi also available.

The Forerunner 645 comes in two versions; the standard 645 and 645 music. The difference between these two is the presence of significant storage space on the later which allows you to take your favorite tracks along with you. The Forerunner 645 like other Garmin smartwatches also has an impressive battery life.

Garmin Forerunner 645/645 Music Full Specifications

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EDITOR'S RATING

Design:
4 out of 5 stars (4.0 / 5)
Battery:
4.1 out of 5 stars (4.1 / 5)
Fitness tracking:
4.7 out of 5 stars (4.7 / 5)
Features:
3.5 out of 5 stars (3.5 / 5)
Price:
3.9 out of 5 stars (3.9 / 5)
Average:
4 out of 5 stars (4.0 / 5)

WHERE TO BUY

BUY AT AMAZON

ABOUT DEVICE

Device nameGarmin Forerunner 645 Music
Device typeSporty/Fitness smartwatch
Predessesor--
Successor--
Released dateApril, 2018
Ideal forUnisex

DISPLAY

Display typeTransflective memory-in-display (MIP)
Display size1.2 inches
Screen resolution240 x 240 pixels
Density--
Input type5 Physical buttons (not touchscreen)

BODY

ShapeCircular
Dimension42.5 x 42.5 x 13.5 mm
Weight42.2 grams
Casing materialThermoplastic polymer
Strap/band materialSilicone
Bezel MaterialStainless steel
Strap size20mm
Screen protectionCorning Gorilla glass 3
Water resistant/ProtectionYes, 5ATM
Swim-proofYes, recommended
Color(s)Black, cerise, sandstone

MEMORY

RAM--
Internal storage200 hours of activity data/up to 500 music tracks
Memory card slot--

CONNECTIVITY

BluetoothBluetooth smart v4.2 LE, ANT+
Wi-FiYes
NFCYes
GPSGPS/GLONASS/Galileo

CELLULAR TECHNOLOGY

TechnologyNo
SIM slotNo
BandNo

NOTIFICATIONS

Email alertYes
SMS alertYes
Calls alertYes
Event reminderYes
Weather forecastYes
Third-party appsYes

FITNESS TRACKING

Sleep trackingYes
Heart rate monitoringYes
Distance coveredYes
Steps climbedYes
CaloriesYes

MEDIA

Audiomp3/mp4
Bluetooth musicYes
RadioNo
LoudspeakerNo
MicrophoneNo
CameraNo

SENSORS

Accelerometer Yes
AltimeterYes
Heart rate monitor (HRM)Yes
BarometerYes
Gyroscope Yes
Ambient light--
Other sensorsThermometer, Compass

PLATFORM

Operating system (OS)Proprietary OS
Chipset--
CPU--
GPU--

BATTERY

Type of batteryNon-removable Li-ion battery
Battery capacity --
Battery lifeSmartwatch Mode: Up to 7 days
GPS mode with music: Up to 5 hours
GPS mode without music: Up to 14 hours
ChargingCharging cradle
Charging timeAbout 1-2 hours

MISC

Payment systemGarmin Pay
Compatibility Android and iOS
Companion appGarmin connect app
Customizable watch faceYes
Interchangeable band Yes, 20mm
Voice commandNo

BOX CONTENTS

Garmin Forerunner 645 Music
Straps
USB charging cable
Quick start guide

PRICE COMPARED

PriceAbout $450
Design

The Forerunner 645 is housed in a decent circular shape made of some the most durable materials. It has a stainless steel bezel that does make it look classic and decent enough to grace your wrist even for high profile occasions.

The sunlight visible transflective Memory-in-pixel display is not the most interactive display, but it’s certainly a lot easier to view outdoors. Something, those who engage in outdoor sport will appreciate especially when in the heat of the sun.

The sizes are moderate too which means this is one watch that will be a nice fit for a lot of people, while the watch face is customizable. Just in case you don’t like it, you can simple download one of your choice from the Garmin connect store where they have some really nice watch faces.

Long Battery Life

One nice attribute of the Forerunner 645 is the quite impressive battery life that will see you go longer on a single charge with this device. On smartwatch mode, it’s about 4-7 days long battery life while with GPS active, you should expect about 10 hours of battery life.

No doubt impressive, and a great deal for runners who engage in longer durational activities.

Waterproof Rating

The Forerunner 645 is rated 5ATM which means it water resistant up to 50 meters. So it’s swim-proof and with the swim tracking features such as stroke count, pace, calories and swim efficiency (SWOLF), it’s a great choice for swimmers who like to monitor their performance while swimming.

Activity/Fitness Tracking

As a fitness smartwatch, the Forerunner 645 comes with all the standard sensors you’d expect to find in a fitness tracker.

It includes the heart rate monitor, inbuilt GPS with support for multi satellite system, altimeter and accelerometer which accounts for the 645 huge fitness tracking features and support for automatic tracking of a number of sport modes.

Media

The Forerunner 645 and 645 Music are the two models released under the 645 series. While the standard 645 model lacks onboard music storage, the 645 Music has a enough onboard storage to contain over 500 music tracks.

You can download and as well stream your favorite tracks from Spotify to the 645 which you can listen to on the go via a Bluetooth enabled earbud.

This is one nice feature that comes handy in helping stay remain focus, avoiding unnecessary distractions.

Notifications

With Wi-Fi and Bluetooth available, the Forerunner 645 is able to keep you connected to all that matters to you. It’s compatible with both Android and iOS devices which when successfully connected to a compatible device, syncs emails, incoming call and other notifications alerts from both third-party and native applications to the watch.

The Forerunner 645 also features an NFC that supports Garmin Pay which lets you make payment directly from the watch.

Pros
  • A decent looking smartwatch.
  • It is swim-proof.
  • A great choice for comprehensive activity tracking.
  • NFC and music storage available.
  • Impressive battery life.
  • Lightweight design.
Cons
  • Not touchscreen.
  • A bit pricey.
Where to Buy
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Garmin Forerunner 645/645 Music Review

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