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Compare 4 products

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Garmin Forerunner 645 Fitness Watch
Garmin Forerunner 645
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Garmin Vivoactive 3 Fitness Watch
Garmin Vivoactive 3
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Polar M600 Fitness Watch
Polar M600
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Suunto Spartan Trainer Wrist HR Fitness Watch
Available colors
Editiorial reviews
10
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
11
4.3 out of 5
6 user ratings
5 stars
50 %
4 stars
50 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
14
3.6 out of 5
4 user ratings
5 stars
0 %
4 stars
75 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
7
3.6 out of 5
4 user ratings
5 stars
0 %
4 stars
75 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
53
4.0 out of 5
53 user ratings
5 stars
35 %
4 stars
37 %
3 stars
15 %
2 stars
9 %
1 stars
1 %
146
3.6 out of 5
146 user ratings
5 stars
30 %
4 stars
23 %
3 stars
29 %
2 stars
12 %
1 stars
4 %
36
4.1 out of 5
36 user ratings
5 stars
30 %
4 stars
50 %
3 stars
16 %
2 stars
2 %
1 stars
0 %
47
3.9 out of 5
47 user ratings
5 stars
38 %
4 stars
27 %
3 stars
27 %
2 stars
2 %
1 stars
4 %

Display

Screen resolution240 x 240 px240 x 240 px240 x 240 px218 x 218 px
Touchscreennoyesyesno
Colour screenyesyesyesyes
Backlight
N/A
yes
N/A
N/A
Display type
N/A
LCD
N/A
N/A

Dimensions

Gender
  • Men's
  • Women's
  • Men's
  • Women's
  • Men's
  • Women's
  • Men's
  • Women's
Width1.67 in0.79 in1.42 in1.81 in
Depth1.67 in0.46 in1.77 in1.81 in
Weight1.47 oz1.52 oz2.22 oz1.98 oz
Thickness0.53 in0.46 in0.51 in0.62 in

Design

Colour of product
  • Beige
  • Black,Stainless steel
  • Grey
  • Purple
  • Black
  • Black,Silver
  • Blue
  • Rose Gold,White
  • Silver,White
  • White
  • Black
  • White
  • Black
  • Blue
  • Green
  • Silver
  • White
  • Yellow
Band materialSiliconeSilicone
N/A
N/A
Protection featuresWater resistant
  • Water resistant
  • Waterproof
Water resistantWater resistant
Waterproof depth551050

Features

Heart Rate MonitorBuilt-inBuilt-inBuilt-in
  • Built-in
  • Support for HRM chest strap
Distance meteryesyes
N/A
N/A
Calorie counteryesyesyesyes
ANT+yesyes
N/A
N/A
Alarmyesyesyesyes
Altimeteryesyesyesyes
Barometeryesyes
N/A
N/A
Compassyesyesyesyes
Date displayyesyesyesyes
Display lightyes
N/A
yesyes
Pedometeryesyesyesyes
Sleep readingyesyesyesyes
Speedometeryesyesyesyes
Stopwatchyesyesyesyes
Temperature sensoryesyes
N/A
N/A
Timeryesyesyesyes
Vibration alarmyesyesyesyes
Golf watch
N/A
yes
N/A
N/A

Connectivity

Bluetoothyesyesyesyes
GLONASSyesyesyesno
GPSyesyesyesyes
Bluetooth version
N/A
4.04.24.0

Power

Battery typeBuilt-inBuilt-inLi-IonLi-Ion
Battery life (running)168.0 h13.0 h8.0 h10.0 h
Battery life (standby mode)7.0 day8.0 day2.0 day14.0 day

Often compared with Garmin Forerunner 645

Often compared with Garmin Vivoactive 3

Often compared with Polar M600