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Garmin Forerunner 405CX Sports Watch (discontinued by manufacturer)

by Garmin

Available from these sellers.
1 new from £1,496.18 1 refurbished from £99.99
  • Advanced heart rate-based calorie computation
  • Fits most wrists comfortably with either the original strap or the included fabric wrist straps
  • High-sensitivity GPS receiver with HotFix™
  • Touch bezel interface
  • Training and motivational features: Virtual Partner®, courses, workouts, goals

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Product details

  • Product Dimensions: 7.1 x 1.5 x 4.8 cm ; 59 g
  • Boxed-product Weight: 907 g
  • Batteries 1 Lithium ion batteries required. (included)
  • Item model number: 010-00658-30
  • ASIN: B0025UHKNS
  • Date first available at Amazon.co.uk: 6 April 2009
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (217 customer reviews)
  • Amazon Bestsellers Rank: 16,302 in Electronics (See Top 100 in Electronics)

Product Description

Manufacturer's Description

Forerunner 405 CX
Forerunner 405 CX

Train your way with the Forerunner 405CX GPS running watch. This sleek training partner tells you how far, how fast and where you run and continuously tracks time, distance, pace, calorie burn and heart rate before wirelessly sending the data to your home computer for later analysis. The 405CX features heart rate-based calorie computation and comes with a soft fabric wrist band option to comfortably fit smaller or larger wrists. With a high-sensitivity GPS receiver and HotFix satellite prediction, Forerunner 405CX locates your position simply, quickly and precisely and maintains its GPS hold even under heavy cover, near tall buildings and in deep valleys.

Watch Your Results

Loaded with serious training features, Forerunner 405CX continuously records your time, distance, pace, calories burned and heart rate. Every workout is stored in Forerunner's large internal memory (1,000 laps, 100 locations) so you can review and analyse the data to see how you're improving. 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 to keep count. You even can download recorded courses and compete against previous workouts. To use the watch, simply tap the touch-and-scroll bezel control to change screens and select menu options and features while you run, without fumbling for a button.

Run against a Virtual Partner
Compete vs Virtual Partner

Track Heart Rate

Forerunner 405CX comes with a flexible, comfortable wireless heart rate monitor so you can see how hard your heart is working for a true measure of your fitness. This digital monitor continuously tracks heart beats per minute and uses this data 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 against previous attempts at the same run to see how your fitness is improving.

Share Workouts Wirelessly

Forerunner 405CX lets you share your locations, advanced workouts and courses wirelessly with other users so you can try your friends' training sessions or race against their times. Just select ‘transfer' to send your information to a nearby device.

Forerunner 405 CX
Forerunner 405 CX

Run, Sync, Store and Share

Once you've logged the miles, Forerunner's innovative ANT+ wireless technology automatically transfers data to your computer when it is in range of your PC or Mac computer. No cables required, the data's just there ready for you to analyse, categories and share through our free online training community Garmin Connect. You can even plan workouts on your computer and send them to Forerunner 405CX for your next training session.

Forerunner 405 CX
Forerunner 405 CX

Train All Year Round

Take your training inside with the versatile Forerunner 405CX and optional wireless accessories. Pair it with an optional foot pod to track your pace, distance and running cadence indoors where GPS signals are unavailable. The wireless foot pod clips onto your laces or fits into the sole of a compatible training shoe and automatically switches on when you start moving. Or pair your Forerunner with an optional speed/cadence bike sensor to track the speed and distance of your rides.


Customer Questions & Answers

Customer Reviews

4.0 out of 5 stars

Most Helpful Customer Reviews

252 of 254 people found the following review helpful By Diggy Dow on 21 Jun 2009
Format: Electronics
Having just bought the 405CX I found the lack of user reviews deeply frustrating. Having had the watch for 2 weeks I thought I would share my experience.
I formerly owned a 305 and my big concern with the 405 was the reported difficulties in picking up satellites (as a result of the smaller design). Well the 405CX has certainly resolved these issues. I'm guessing the kit remembers where you tend to be because it catches a satellite even in areas that would have been a total no go with the 305 (like in the shadow of tall buildings). This morning's run got a satellite connection in 5 seconds (really!) Combine this high sensitivity with an ability to save locations and the GPS functions are better than ever. Other reported issues were the wet sensitivity of the bezel. Well it certainly works when wet hands touch it - although I've yet to go out in a downpour this bodes well for me. I tend to leave it on a single screen so changing the reading isn't likely to be that important.

Having been an enormous fan of the old model I bought this (more expensive) upgrade only when my old one was stolen. However having made the purchase I would recommend others to do the same - it really is a delight. The battery meter tells you specifically how much energy you have left so you're unlikely to be caught short - and the battery is certainly no weaker than the old model. At least now you can assess whether it needs 10 minutes charge before you go out - rather than the guessing game of the past.

Runners - you'll love it. The old model was the best bit of kit I'd ever bought - the 405CX is considerably better. A strong recommendation.
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33 of 33 people found the following review helpful By DadooRon on 30 Jan 2012
Format: Electronics
Note this review is the 405CX and not the 405. (basically the same watch but 405CX comes with a few extras - HRM and interchangeable wrist straps).

Had read mixed reviews about the 405 / 405CX but decided to take the plunge. I'll try to address those concerns and my experience if that helps anyone:

THE STRAP IS TOO BIG. Well I have an average size wrist and the strap is a perfect fit. It's also comfortable. That said the watch comes with two Velcro straps included, (small and large) so nobody should have need for complaint. Even comes with a tool and instructions on how to change strap (there's also a YouTube video from Garmin). What other manufacturer goes to that trouble to get a perfect fit?

THE BEZEL DOESN'T WORK WHEN WET. Well I've been out in several torrential downpours and no worries. Occasionally my sleeve would brush against the bezel and some unwanted screen would appear. Solution? all I do now is lock the screen whilst running. note: others say the bezel is either too sensitive or not sensitive enough? Do they know there's an option in settings where you can choose the sensitivity level? I think it works just fine.

DIFFICULTY OPERATING WATCH WHILST RUNNING. This criticism I cannot understand. The 405 comes with THREE individual screens, (each can be set to off). And each screen can display up to THREE data fields - so that's NINE data fields of information. In addition to this you can have a heart rate screen displayed (again with up to three data fields). And then there's the virtual partner info if you've set that to run. That's up to 13 pieces of info you have whilst running. And there are so much data to choose from, you could spend hours choosing your ideal readouts.
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140 of 142 people found the following review helpful By Dazzla on 28 Aug 2009
Format: Electronics Verified Purchase
As of Oct 2012 - I fear this watch has finally run its last run. It no longer charges consistently and often the screen goes blank with no warning. Maybe time to upgrade?!

As of Feb 2010 - continuing to use this at least 2-3 times a week and still rate it 5 stars! Tracking my stats online and keeping a record of routes, comparing heart rates and monitoring different sessions is a real motivator to me.

Original review - I write this having owned both Sunnto and Polar sports watches in the past. I've owned the Garmin 405CX for a month and used it both for running, circuits (outdoors) and in the gym. Overall I would highly recommend this piece of kit, it has exceptional features, excellent data capture and a great on-line (or PC based) inter-face to which you can download your data, analyse and share it. The bezel takes a little getting used to but no more so than an iPOD. The positives and negatives are as follows:

+VEs:
- Excellent in-built GPS that has no trouble locating satellites in urban and non-urban areas. It even has a track back function should you get lost! Doh!
- Good heart rate monitor (standard chest strap).
- Multiple data pages that you can customise to show multiple permutations of HR, pace/speed, distance, averages.
- Virtual training partner - a nice feature to help you train or run.
- It comes with both standard and velcro watch straps. I prefer the velcro.
- Garmin provide really good user videos on their website that talk you through the multiple features; a real benefit as I get bored reading manuals!

-VEs:
- I'm still getting used to having to charge the watch every few days but its no more inconvenient than charging my iPOD.
- I'm dubious about its water resistant qualities.
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