Garmin Forerunner 405CX


Weight 2.11 oz / 60 g
Dimensions 1.88 in x 2.78 in x 0.646 in / 4.8 cm x 7.1 cm x 1.6 cm
Display Size 1.06 in / 2.7 cm diameter
Display Resolution 124 x 95 pixels
Touchscreen No

Where to Buy

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Manufacturer's Description

Visit Garmin's Forerunner 405CX page.

Retailers' Descriptions

Here's what other sites are saying:

Take those infomercial-inspired workout DVDs and donate them to the resale shopAAAGarminAAAs Forerunner 405CX GPS wrist computer is the only training partner youAAAll ever need.


This GPS-enabled sport watch tracks your training, then wirelessly sends your data to your computer. The ultimate in training technology, its sleek design features a touch bezel that lets you quickly scroll and select features on the run. Its unique design gives the GPS antenna a better view of the sky, so it can get a stronger signal during your run. And its high-sensitivity GPS receiver provides improved tracking under trees and near tall buildings. Continuously monitors your time, distance, pace, calories, heart rate (when paired with heart rate monitor), and bike speed/cadence (with optional sensor). Forerunner 405CX has superior calorie measurement, better GPS sensitivity and alternative webbing for smaller wrists that make the watch much more suitable as a ladies sports watch. Also includes the wireless heart rate monitor. Weight: 2.1 oz.

- Altrec Outdoors

Get all of the training functions of Garmin's original 405 complete with an in-the-box heart rate monitor when you get the Forerunner 405CX. This GPS-enabled sport watch helps you amp up workouts with a heart rate monitor for tracking exertion levels and calorie use along with GPS-based observations of time, distance, and pace; plus alarms for time and distance goals reached or deviations in pace - should you happen to slack off.

- Mountain Gear

Packing the same fitness, GPS, and heart rate monitor functionality as the Garmin 405, the 405CX also includes HR-based calorie computiation, international power adapters so you can recharge the battery while overseas, and a new adjustable soft wrist band attachment. Continuously monitors time, distance, pace, calories, and heart rate without calibration. Included ANT USB stick wirelessly transfers workout data to your computer. Heart-rate-based calorie computation for more accuracy than the original Forerunner 405. Included smaller and larger wristbands improve fit. Customize Forerunner?s data screens for instant feedback while you train. Touch bezel lets you scroll through screens without searching or fumbling for the right button. 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. Training sessions are stored so you can review and analyze data to see how you've improved.