Forerunner 645 Music Smartwatch

Forerunner 645 Music Smartwatch

from Garmin
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Overview & Features

Brand
Garmin
Model
Forerunner 645 Music Smartwatch
OEM ID
010-01863-00
Released
2018 Feb
Announced
2018 Jan 8
Manufacturer
Garmin
Hardware Designer
Garmin
List of Additional Features
Android 4.3 or later support, iOS 8.0 or later support, 20 mm strap

Technical Specifications

Display

Pixel Size
0.08957 mm/pixel
Resolution
240x240
57600 pixels
Display Area
462.1 square millimeter
Display Type
Color TN-TFT LCD
display
Display Width
21.5 mm
Pixel Density
284 PPI
Display Height
21.5 mm
Display Diagonal
30.4 mm
Display Color Depth
24 bit/pixel
Display Illumination
Yes
Display Subpixel Scheme
Yes
Display Area Utilization
25.6%
Number of Display Scales
16.8M
Scratch Resistant Screen
Yes
Horizontal Full Bezel Width
21 mm
Display Light Reflection Mode
transflective

Power Supply

Battery
Yes
built-in
1-cell
Standby Time
180 hours

Sound Playing

Audio Output
No

Cellular Phone

Supported Cellular Bands
No

Audio Subsystem

Audio Channel(s)
Yes

Sound Recording

Microphone(s)
No

Auxiliary Camera

Aux. Camera Image Sensor
No

Built-in Sensors

Built-in compass
Yes
Additional sensors
Altimeter
Barometer
Heart rate sensor
Step counter
Temperature sensor
Built-in gyroscope
Yes
Built-in accelerometer
Yes

Operative Memory

RAM Type
Yes

Ingress Protection

Protection from liquids
Yes
Protection from solid materials
Yes
Immersion into liquids (depth limit)
5000 cm

Control Peripherals

Touchscreen Type
Capacitive multi-touch sensing
screen
Touchscreen Simultaneous Touch Points
Yes

Graphical Subsystem

Graphical Controller
N/A

Non-volatile Memory

Non-volatile Memory Type
Flash EEPROM
Non-volatile Memory Interface
Yes

Physical Attributes

Mass
42.2 g
Depth
13.5 mm
Width
42.5 mm
Height
42.5 mm
Bounding Volume
24.4 ccm

Multimedia Broadcast

FM Radio Receiver
No

Satellite Navigation

GPS Antenna
Internal antenna
Supported GPS protocol(s)
GPS (NMEA 0183)
Complementary GPS Services
Assisted GPS
Supported GLONASS protocol(s)
L1OF

Software Environment

Platform
Linux

Audio/Video Interfaces

A/V Out
No

Auxiliary Camera No. 2

Aux. 2 Camera Image Sensor
No

Auxiliary Camera No. 3

Aux. 3 Camera Image Sensor
No

Auxiliary Camera No. 4

Aux. 4 Camera Focus
No
Aux. 4 Camera Image Sensor
No

Primary Camera System

Flash
No
Focus
No
Camera Image Sensor
No

Geographical Attributes

Market Regions
Africa
Asia
Australia
Eastern Europe
Europe
North America (NA)
South America (SA)
Southeast Asia
Western Europe
Worldwide
Market Countries
Argentina
Australia
Austria
Belgium
Brazil
Canada
Chile
Croatia
Denmark
France
Germany
India
Ireland
Italy
Mexico
Netherlands
Norway
NZ
Poland
Portugal
Romania
Slovenia
South Africa
Spain
Sweden
Switzerland
USA

Secondary Camera System

Secondary Camera Sensor
No

Communication Interfaces

USB
No
No
Bluetooth
Yes
Internal antenna
Wireless LAN
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
Internal antenna
USB Connector
No
Bluetooth profiles
A2DP
AVRCP
HFP
Expansion Interfaces
No

Secondary Cellular Phone

Sec. Supported Cellular Networks
No

Secondary Auxiliary Camera

Sec. Aux. Cam. Image Sensor
No

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor
No

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