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Garmin Forerunner 405

Garmin Forerunner 405
alaScore 79

2407 reviews

May, 2018

alaTest has collected and analyzed 2407 reviews of Garmin Forerunner 405. The average rating for this product is 3.7/5, compared to an average rating of 4.2/5 for other GPS Watches for all reviews.

We analyzed user and expert ratings, product age and more factors. Compared to other GPS Watches the Garmin Forerunner 405 is awarded an overall alaScore™ of 79/100 = Good quality.

Review analysis

(Based on 2407 reviews)

Expert Reviews  

User Reviews  


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Consumer review ( review summary for Garmin Forerunner 405


alaTest has collected and analyzed 407 user reviews of Garmin Forerunner 405 from The average user rating for this product is 3.9/5, compared to an average user rating of 4.2/5 for other GPS Watches on

81% of the reviews on give this product a positive rating.

This summary is based on the products: Garmin GPS Forerunner 405 with heart rateGarmin GPS Forerunner 405 with heart rate

May, 2018

Consumer review ( review summary for Garmin Forerunner 405


alaTest has collected and analyzed 1378 user reviews of Garmin Forerunner 405 from The average user rating for this product is 3.5/5, compared to an average user rating of 4.1/5 for other GPS Watches on

69% of the reviews on give this product a positive rating.

This summary is based on the products: Garmin Forerunner 405 Wireless GPS-Enabled Sports Watch with Heart Rate MonitorGarmin Forerunner 405 Wireless GPS-Enabled Sports Watch with Heart Rate Monitor

May, 2018

Expert review by : Mat Honan (

Review: Garmin Forerunner 405


For the athlete who wants an all-in-one device, this wrist-top racer is it. Garmin shrank the GPS receiver to fit into what looks like a...

User-friendly online software with integrated Google Maps and enough graphs for a PowerPoint presentation. Built-in GPS means no extra pods needed. Tracks routes so you’ll never get lost again

Plasticky heart-rate monitor strap is uncomfortable. Poor satellite reception on overcast days shortchanged our speed and distance. Sorry, triathletes: It’s still not sealed for swimming

Jun, 2008

Expert review by : Thomas Fink (

Garmin Forerunner 405


Wirelessly record and track your work-outs from your watch.

Innovative touch bezel ; Good GPS capabilities ; Vast array of features

Expensive ; Bulky, uncomfortable design ; Complex accompanying software

Jun, 2008

Expert review by : Debasis Das (

A Garmin Forerunner 405 Review


The Garmin Forerunner 405 is a good training device for long distance sports activities. This watch combines a GPS receiver with a training aid. Read on for a full review.

Aug, 2010

Expert review by (

Garmin Forerunner 405 Review


Garmin Forerunner 405 reviewed by ConsumerSearch, which notes pros and cons, along with reviews and ratings for the Garmin Forerunner 405 and comparisons to other Sports Watches

Sleeker design than previous Forerunners; Quick GPS satellite recognition; Wireless data transfer

Bezel can be hard to use with sweaty fingers; Short battery life

Jun, 2009

Expert review by : (

Sleek and Compact: Garmin Forerunner 405 GPS for Runners


Accurate GPS distance data for runners., Captures workout and heart rate data, and wirelessly and automatically transfers to your PC., Touch-bezel control eliminates need for multiple buttons.

Touch-bezel control takes some practice to master., Heart rate monitor strap must be moist to provide accurate readings.

GPS for runners gets more sleek and compact than ever with the Garmin Forerunner 405 sports watch. Runners have been enjoying the precision of GPS workout and race tracking with the Forerunner 305 , one model below the 405. But the 305 is bulky. The...

Apr, 2009

Expert review by : Courant (

GPS Review: Garmin Forerunner 405


Garmin offers the latest technology in GPS for runners, and bikers.

Mar, 2009

Expert review by : Rich Owings (

Garmin Forerunner 405 review


The Garmin Forerunner 405 is a relatively new incarnation of Garmin's popular GPS training device. Updating the Forerunner 305, the 405 was released for sale just before the 2008 Boston Marathon.

May, 2008

Expert review by : Charlie White (

Day One Review: Garmin Forerunner 405 watch, GPS fitness done right


The Garmin Forerunner line of GPS-enabled watches just took a giant leap in techno-goodness. If you're a runner or walker, you're going to like the way this new Forerunner 405 ($300) measures and records your speed, distance, elevation and...

After we loaded the software drivers for the included pinky-sized wireless USB receiver (unfortunately PC-only until this fall), the watch quickly paired with its mate. The heart-rate monitor, which you strap around your chest, also instantly paired...

Apr, 2008

Expert review by (

Garmin Forerunner 405 GPS Enabled Sports Watch Review


Garmin's Forerunner 405 GPS-enabled fitness device shares most features with the Forerunner 305 however, with its smaller size and circular display it can truly be called a GPS-enabled sports watch. As Dan Bartel of Garmin has said, Runners no longer...

Feb, 2008

Expert review by : Chris Hall (

Garmin Forerunner 405


The Garmin Forerunner series has long been a firm favourite with athletes, with a strong fan base in runners and triathletes. The combination of heart rate monitor with GPS functions providing all the information you need to accurately monitor and...

Compact design, reliably hangs on to GPS and HRM signals, touch bezel and button combination works well

No software provided, price

Having been a fan of previous Forerunner models, the 405 certainly delivers enough to get excited about. The new form factor being is the most significant development here – whilst still chunky, you don’t feel as though you have a massive lump on your...

Aug, 2008

Product Specifications

The Forerunner 405CX is the evolution of GPS-enabled training. This sleek sport swatch tracks your time, distance, pace and heart rate, then wirelessly sends the data to your PC for later analysis. The 405CX features heart rate-based calorie computation. Loaded with serious training features, Forerunner 405CX continuously records your time, distance, pace, calories burned and heart rate. Each workout is stored in large internal memory so you can review and analyze the data to see how you've improved. And advanced training features will challenge you to step up your pace - race against Forerunner's Virtual Partner to improve your times, or set up interval workouts without having to circle the track. You can even download recorded courses to compete against previous workouts. To use the watch, simply tap the touch bezel to change screens without fumbling for a button. Forerunner 405CX comes with a flexible, wireless heart rate monitor to help you make the most out of your training. The digital heart rate monitor continuously tracks heart beats per minute and uses your heart rate for advanced calorie computation, so you know how many calories you're burning. Train in a certain heart rate zone to improve your fitness level or compare your pace and heart rate to past performance on the same run.


Run Time (Up To):8hour(s)

Built-in Display

Resolution:124 x 95


Color of product:Black / Green / Grey
International Protection (IP) code:IPX7
Protection features:Shock resistant, Water resistant / Water Resistant
RoHS compliance:Y
Waterproof up to:39.4

Dimensions & Weight



Display Resolution:124 x 95
Display size (HxV) (imperial):1.06 / 1.06 x 1.06

GPS Performance

GPS (satellite):Y
Number of Waypoints:100

GPS System

GPS Functions / Services:Distance / Speed / Time/date/Time/date / Speed / Distance
Recommended Use:Running
Type:GPS receiver


Packaged Quantity:1
Product Line:Garmin Forerunner


Waterproof: Yes



Operational Conditions

Operating temperature (T-T):-20 - 60


Advanced workouts:Y
Barometric altimeter:N
Heart rate monitor:Y
Heart rate-based calorie computation:N
Interval training:Y
Lap history:1000
Pace alert:Y
Time/distance alert:Y
Unit-to-unit transfer:Y
Vibrating alert:N


Battery level indicator:Y
Battery Life:8
Battery life (power save mode):336
Battery Technology:Lithium-Ion (Li-Ion)
Rechargeable battery:Y


Bundled software:Garmin Connect, Garmin Training Center
Compatible operating systems:Windows 2000+ / Windows XP\nMac OS 10.4.11

Weight & Dimensions

Dimensions (WxDxH):1.89 x 0.63 x 2.8