Comparison Garmin Forerunner 45S vs Garmin Forerunner 45

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	Garmin Forerunner 45S	Garmin Forerunner 45
	from $99.99 up to $174.27 Compare prices 10	from $149.99 up to $199.00 Compare prices 13
all specs only differences
TOP sellers	365rider.com $174.00 Buy in shop Buydig.com $150.00 Buy in shop 365rider.com $173.00 Buy in shop	Amazon.com $199.00 Buy in shop 365rider.com $163.00 Buy in shop Buydig.com $150.00 Buy in shop
Main		Transflective display with Always on display. Garmin Coach feature. Heart rate monitor with VO2 maximum ANT+ support. Suitable for swimming.
Type	smartwatch	smartwatch
Interface	Bluetooth v 4.0	Bluetooth v 4.0
ANT+
Telephony
Calls and alerts	notifications sound signal vibration	notifications sound signal vibration
Sports and tourism
Possible measurements	heart rate monitor number of steps distance traveled movement speed calories burned activity time sleep tracking stress level	heart rate monitor number of steps distance traveled movement speed calories burned activity time sleep tracking stress level
Navigation	GPS module	GPS module
Display
Type	colour	colour
Display type	transflective	transflective
Size	1.04 "	1.04 "
Screen resolution	208х208 px	208х208 px
PPI	283 ppi	283 ppi
Watch face protection	glass	glass
Hardware
Extra features	accelerometer	accelerometer
Power source
Device charging	proprietary connector	proprietary connector
Source of power	Li-Ion	Li-Ion
Operating time (normal mode)	7 days	7 days
Operating time (active mode)	13 h	13 h
Case and strap
Material	plastic	plastic
Strap	non-removable	non-removable
Strap Options	rubber/silicone	rubber/silicone
Clasp options	classic buckle	classic buckle
Wrist strap	124 – 185 mm	129 – 197 mm
General
Protection rating	50 WR / 5 ATM	50 WR / 5 ATM
Dimensions (without strap)	39.5x39.5x11.4 mm	42.3х42.3х11.4 mm
Weight	36 g	36 g
Color
Added to E-Catalog	may 2019	may 2019

Wrist strap

Wrist coverage suitable for the included watch strap. Usually, the length of the strap can be adjusted, so this paragraph usually indicates not one number, but a range — for example, "130 – 200" (millimetres). If there are several straps in the kit, then several ranges are indicated in the specs, if necessary, with a clarification like “fabric: 115 – 185, metal: 130 – 220” (if the straps are made of different materials).

We emphasize that in this case we are talking not just about the length of the strap, but about the girth of the wrist, for which it is designed. Thus, by measuring your hand in an appropriate way, you can accurately determine whether a particular strap is suitable for a particular person or not. This possibility is especially important if the watch is bought for a user with a non-standard hand size — miniature or, conversely, very large.