Garmin - Forerunner 645 GPS Heart Rate Monitor Running Watch - Sandstone
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Description
Features
Tune up your training
Measure crucial running metrics - cadence, stride length, ground contact time and balance, vertical oscillation and vertical ratio that you can use to analyze your performance.
1.2" color display
Delivers crisp, clear visual readout even in sunlight.
Paying made easy
Features Garmin Pay™ contactless payment solution, which lets you pay for purchases with your watch.
Built-in activity profiles
Supports running (indoor/outdoor), cycling (indoor/outdoor), swimming (pool), elliptical, paddle sports, strength training and many more.
Water-resistant design
Allows you to wear the watch while swimming.
Compatible with iPhone and Android devices
For simple wireless communication.
Garmin Connect™ mobile app
Garmin Connect is an online community where people can connect and compete by joining challenges, encourage each other’s successes and share triumphs via social media.
Apple, the Apple logo and iTunes are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. iPhone is a trademark of Apple Computer, Inc.
What's Included
Garmin Forerunner 645 GPS Heart Rate Monitor Running Watch
Charging cable
Documentation
Key Specs
- Touch ScreenYes
- Operating System CompatibilityAndroid, Apple iOS
- App CompatibleYes
- Global PositioningGLONASS, GPS, Galileo, Other
- Metrics MeasuredActivity vs. inactivity, Altitude changes, Blood pressure, Cadence, Calories burned, Distance swam, Distance traveled, Duration of exercise, Heart rate, Laps swam, Pace, Route, Sleep quality, Speed, Steps taken, Temperature
- Water ResistantYes
- Maximum Depth of Water Resistance164 feet
- Band MaterialSilicone
- SeriesForerunner®
General
- Product NameForerunner 645 GPS Heart Rate Monitor Running Watch
- BrandGarmin
- Product TypeActivity tracker, Smartwatch
- Form FactorWristwatch
- Model FamilyGarmin Forerunner 645
- Model Number010-01863-01
- SeriesForerunner®
Design
- Band TypeAdjustable
- Band ColorSandstone
- Clasp TypeBuckle
Display
- Display ScreenYes
- Touch ScreenYes
- Display TypeLCD
- Color DisplayYes
- Clock DisplayYes
- Backlit DisplayYes
Compatibility
- Operating System CompatibilityAndroid, Apple iOS
- App CompatibleYes
Connectivity
- Data Plan RequiredNo
- Bluetooth EnabledYes
- Wi-Fi CompatibilityWireless A, Wireless AC, Wireless B, Wireless G, Wireless N, Wireless N Dual Band, Wireless N Dual Band Gigabit
Features
- Global PositioningGLONASS, GPS, Galileo, Other
- Mobile NotificationsYes
- Alert TypeAudible, Vibration, Visual
- Silent AlarmYes
Activity
- Metrics MeasuredActivity vs. inactivity, Altitude changes, Blood pressure, Cadence, Calories burned, Distance swam, Distance traveled, Duration of exercise, Heart rate, Laps swam, Pace, Route, Sleep quality, Speed, Steps taken, Temperature
- Multi-Sport TrackingYes
- SensorsAccelerometer, Altimeter, Compass, Gyro sensor, Heart rate sensor
- Number of Sensors3
Performance
- Water ResistantYes
- Maximum Depth of Water Resistance164 feet
Dimensions
- Product Height1.7 inches
- Product Weight0.1 ounces
Power
- RechargeableYes
- Battery Strength IndicatorYes
- Charging Interface(s)Other
- Battery TypeLithium-ion
- Replaceable BatteryNo
Material
- Band MaterialSilicone
Dimension
- Minimum Wrist Size5 inches
- Maximum Wrist Size8.03 inches
- Product Width1.7 inches
- Product Length0.5 inches
Warranty
- Manufacturer's Warranty - Parts1 year limited
- Manufacturer's Warranty - Labor1 year limited
Other
- UPC753759185084
Customer reviews
Rating 4.4 out of 5 stars with 10 reviews
(10 customer reviews)to a friend
- Pros mentioned:Battery life, Design, Gps
Rated 5 out of 5 stars
Stylish with great battery life
||Posted .This reviewer received promo considerations or sweepstakes entry for writing a review.Replaced fitness tracker and separate GPS running watch. With no activities/workouts during an injury recoup I got 2 weeks of battery life, and I find it as accurate as my previous tracker. For workouts it finds satellites 5x faster than my old forerunner 305 and known routes report the same distance. Slim profile does not swallow my wrist and the standard 20mm quick release band allows me to buy non OEM alts and wear dressed up or down.
This review is from Garmin - Forerunner 645 GPS Heart Rate Monitor Running Watch - Black
I would recommend this to a friend - Pros mentioned:GpsCons mentioned:Button interface
Rated 5 out of 5 stars
So far it's great!
||Posted .This reviewer received promo considerations or sweepstakes entry for writing a review.I love this watch! I have only had it for a few weeks, but the GPS is spot on accurate, which makes keeping track of my runs so much easier. It was difficult to get used to buttons instead of touchscreen but it's becoming more familiar everyday. I don't think I'll be going back to FitBit anytime soon after using this Garmin!
This review is from Garmin - Forerunner 645 GPS Heart Rate Monitor Running Watch - Black
I would recommend this to a friend Rated 5 out of 5 stars
An Upgraded Purchase
||Posted .This reviewer received promo considerations or sweepstakes entry for writing a review.This was an upgrade purchase for my wife. She had the Forerunner 235, but needed a few more bells and whistles. She loves it! The Quick charging is one of the best features for her. Other favorites include the training plans and workouts. Using the Garmin pay will be fabulous for her too
I would recommend this to a friendRated 5 out of 5 stars
Great watch
||Posted . Owned for 6 months when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Great running watch, but wear it everyday. Love the different features. Pay, notifications, etc
This review is from Garmin - Forerunner 645 GPS Heart Rate Monitor Running Watch - Black
I would recommend this to a friendRated 4 out of 5 stars
Great watch!
||Posted . Owned for 3 weeks when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.I bought this watch for my wife and although we've hesitated at first because she's been seriously considering Samsung Watch 2 -this has proven to be an excellent choice. The battery life though even with minimal use is not quiet at the level I would have expected. You can manage for about 24-36 hours, if you're lucky.
This review is from Garmin - Forerunner 645 GPS Heart Rate Monitor Running Watch - Black
No, I would not recommend this to a friend- Cons mentioned:Durability
Rated 3 out of 5 stars
Good watch for the price
||Posted . Owned for more than 2 years when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.The watch was good . But after a year or so my wife dropped it and the watch did not continue to work correctly. I would think a small drop of maybe 3ft just falling wouldn't break the watch but that's what happened
No, I would not recommend this to a friend - Cons mentioned:Fit
Rated 4 out of 5 stars
Good watch for active people only
||Posted .This reviewer received promo considerations or sweepstakes entry for writing a review.Didnt fit what i needed for. I rerurned it got smart watch .
This review is from Garmin - Forerunner 645 GPS Heart Rate Monitor Running Watch - Black
I would recommend this to a friend - Pros mentioned:Gps
Rated 3 out of 5 stars
Garmin
||Posted . Owned for 1.5 years when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.We like our Garmin - Forerunner 645 GPS Heart Rate Monitor Running Watch.
This review is from Garmin - Forerunner 645 GPS Heart Rate Monitor Running Watch - Black
I would recommend this to a friend
Q: QuestionThis watch is advertised as a running watch, but I see that it also has swimming and cycling features. Can anyone who owns this watch tell me if the watch can track things like bike power, cadence and road gradient?
Asked by Sproctor65.
- A:Answer This watch will track gradient while cycling on its own, You would need a power meter and cadence sensor to track those option while cycling. Antonio with Garmin/Fitness Department
Answered by GarminProductExpert
Q: QuestionWhen will this watch be back in stock? Has been sold out for over a month...I got not help at local store and no answers from online customer service SMH...
Asked by Chip.
- A:Answer I dont know it should be available online. I bought it online.
Answered by Dolfan
Q: QuestionWhen will this watch be available to purchase?
Asked by Drew.
- A:Answer I just purchased one at Best Buy in Houma La. Had to order threw the store and will pick up at store on 09/ 08 /18
Answered by Bruce