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Small wrist top GPS receiver with easy to read display, intuitive user interface with touch bezel, heart rate monitor and wireless data exchange with USB receiver. Also well suited as bike computer.

As a personal training assistant, the GARMIN Forerunner 405 records the travelled path (track), your heart rate (requires heart rate monitor), distance, time and pace/speed, computes the calories burned and helps to achieve your personal workout goals. The device is very easy to use thanks to its unique touch bezel (touch sensitive housing), supports multiple languages and has an extremely sensitive antenna. It is the perfect partner for any outdoor activity. Supports wireless data exchange with other units or with a PC via the included USB receiver.
The optional speed and cadence sensor plus the mounting kit for handlebar make the Forerunner 405 also well suited as a bike computer. Also, there is an optional foot pod to measure speed and distance indoor.

The Forerunner 405 is especially well suited to provide information about your outdoor activities (track, speed, distance, elevation profile, heart rate, time a.s.o.). Use the function "mark waypoint" to get the coordinates of the current location. The device also shows distance and direction from the current location to user defined waypoints.

Differences between the various Forerunner models:

All models provide similar functions; these are the main differences:

Model / Feature Power supply Interface Heart rate monitor Navigation Dimensions
in mm
Weight
in g
Price
Forerunner 101 batteries (2 x AAA) - - Back to start only 83x43x23 74 discontinued
Forerunner 110 rechargeable battery USB YES
(included with the models pink and red)
- 45x69x14 52 from CHF 188 | EUR 164
Forerunner 201 rechargeable battery SERIAL - Back to start only 83x43x18 78 discontinued
Forerunner 205 rechargeable battery USB - Back to start and routes from waypoints 53x69x18 77 discontinued
Forerunner 210 rechargeable battery USB YES
(Premium monitor)
- 45x69x14 52 discontinued
Forerunner 220 rechargeable battery USB YES
(Premium monitor)
- 45x45x13 41 from CHF 158 | EUR 138
Forerunner 225 rechargeable battery USB YES
(built-in, no belt)
- 48x48x16 54 CHF 248 | EUR 217
Forerunner 301 rechargeable battery USB YES Back to start and routes from waypoints 83x43x18 78 discontinued
Forerunner 305 rechargeable battery USB YES Back to start and routes from waypoints 53x69x18 77 discontinued
Forerunner 310XT rechargeable battery USB (wireless) YES
(premium monitor included in the pack)
Back to start only 54x56x19 72 discontinued
Forerunner 405 rechargeable battery USB (wireless) YES Back to start only 48x71x16 60 discontinued
Forerunner 410 rechargeable battery USB (wireless) YES
(included in the pack)
Back to start only 48x71x16 60 discontinued
Forerunner 610 rechargeable battery USB (wireless) YES
(premium monitor included in the pack)
Back to start only 46x64x14 72 discontinued
Forerunner 620 rechargeable battery BlueTooth, WLAN, USB YES
(HRM-Run with G-sensor included in the pack)
- 45x45x12.5 44 discontinued
Forerunner 910XT rechargeable battery USB (wireless) YES
(premium monitor included in the pack)
Back to start and routes from waypoints 54x61x15 72 from CHF 288 | EUR 252
Forerunner 920XT rechargeable battery BlueTooth, WLAN, USB YES
(HRM-Run with G-sensor included in the pack)
Back to start and routes from waypoints 48x55x13 61 from CHF 478 | EUR 418

Please find a table with detailed technical data in our Buyer's guide.


Contents: Features - Overview - Main Pages - Training Center - Price - Options - Downloads - Order

GARMIN Forerunner 405

Features:

  • Wrist top device, robust, very handy
  • Easy to read display with background illumination
  • Simple, intuitive handling using the "touch bezel" (touch sensitive bezel (ring) around the display). Single, double or long touch to accept a selection or to activate a function. Move your finger over the bezel to scroll. Touch the bezel with two fingers simultaneously to turn on/off the backlight.
  • Multilingual user interface in Croatian, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Norwegian, Polish, Portuguese, Slovak, Slovenian, Spanish and Swedish
  • Integrated 12 channel GPS receiver with very sensitive built-in SiRFstarIII antenna. The antenna is positioned behind the bended part of the housing and provides the best possible conditions for receiving the satellites signals regardless of the position of the bearer's wrist.
  • Chest belt with heart rate monitor. (included with the "Pack", but also available as an option). The chest belt uses a digitally coded signal, which means, once a heart beat sensor and the GPS have been paired, the GPS will never receive a conflicting signal from another sensor. So you can exercise in close proximity to other sensors without fear of interference.
  • Powered by built-in, rechargeable battery (lasts about 3 weeks with the GPS receiver turned off, about 8 h with the GPS receiver turned on), battery charger included
  • Short time to first fix (TTFF¹: approx. 15 seconds after a warm start, meaning there are valid coordinates of the satellites available, or approx. 45 seconds after a cold start, meaning there are no valid coordinates of the satellites available)
  • Firmware stored in Flash-Memory, can be updated by the user
  • Operating temperatures -20 .. 60°C (-4° .. 140°F)
  • Wireless data exchange with other units
  • USB stick for wireless data exchange with a PC included
  • Dimensions: 48x71x16 mm (1.9x2.9x0.6 inches)
  • Weight: 60 g (2.1 ounces); Chest belt 21 g (0.74 ounces)
  • Water resistant up to approx. 3 feet (1 meter) for about 30 minutes (IPX7)

¹) TTFF: Time To First Fix, time until the first information about the local position is acquired.

Information about your training:

  • Profile: stores personal information such as gender, weight and date of birth (in order to calculate the calories burned)
  • Stores various settings per sport mode (running, biking, other), such as values to be displayed on the custom page, heart rate zones, limits etc.
  • Stop watch with split times (laps). Records split times either manually by pressing the "lap" key or automatically based on a user defined distance.
  • Auto pause: Stops the watch automatically if the current speed drops below a user defined value, e.g. when waiting at a red light or during a short break.
  • Virtual Partner: This unique feature helps you to achieve certain goals for your workout. The virtual partner will keep exactly the pace / speed required to achieve the goal you have set. Forerunner will constantly measure your current pace / speed and compares it to the virtual partner's pace / speed. It will ask you to speed up or slow down as needed and it shows on the display whether you are ahead or behind your virtual partner.
  • History: Forerunner keeps track of your workouts. It stores the date, time, number of laps, duration, distance, average speed, calories burned, average and maximum heart rate on a daily basis. It also provides weekly overviews and running totals for the duration, distance and calories burned.
  • Navigation: Indicates distance and direction from your current location to a user specific waypoint. Stores up to 100 waypoints.
  • Course: Follow a course based on previously recorded activities to match or exceed your goals. The Forerunner tracks your workout, but also indicates if you are on your course path or not.
  • Back to start: This feature helps you to travel all the way back to the starting point of your trip.
  • Stores up to 1'000 laps.
  • Supports metric and U.S. units.
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GARMIN Forerunner 405 overview:

Buttons and connectors of the GARMIN Forerunner 405
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Main pages of the GARMIN Forerunner 405:

Note: You may configure the display through options. The screenshots below are just examples, the actual appearance may vary from the displays shown below depending on the current settings. Especially the content of the data fields is user configurable. You can choose from 35 different values, see the table below.

Time Menu Satellites Navigation
GARMIN Forerunner 405 time and date GARMIN Forerunner 405 menu GARMIN Forerunner 405 satellites GARMIN Forerunner 405 navigation
  • Current time
  • Current date
  • Day of week
  • Settings
  • History (selected)
  • Training
  • Selection 1 of 3
  • Strength of satellites' signals
  • Number of the visible satellites
  • Accuracy of current position information
  • Direction to destination
  • Distance to destination
Training Heart Rate Graph Virtual Partner History
GARMIN Forerunner 405 training GARMIN Forerunner 405 heart rate graph GARMIN Forerunner 405 virtual partner GARMIN Forerunner 405 history

Choose the number of data fields and your preferred value for each of the data fields. For the available values, see list below. In this example, the following values are shown:

  • Elapsed time since the start of the current training
  • Current pace
  • Distance travelled

Choose the number of data fields and your preferred value for each of the data fields. For the available values, see list below. In this example, the following values are shown:

  • Heart rate zones and heart rate over time diagram
  • Current heart rate
  • Time of day
  • Icon indicating active connection with heart rate sensor
  • Your position (below) in relation to your virtual partner (above)
  • Distance between you and your virtual partner
  • Elapsed time since the start of the current training
  • Date and time when the history of this activity started
  • Duration
  • Pace (minutes and seconds for 1 kilometer)
  • Average heart rate
  • Distance travelled
  • Calories burned

Data fields on pages with user selectable data fields:

No Name Explanation
1 Cadence Revolutions of the crank arm rsp. number of steps per minute (requires speed and cadence sensor rsp. foot pod which is available as an option)
2 Cadence average Average revolutions of the crank arm rsp. number of steps during this training unit (requires speed and cadence sensor rsp. foot pod which is available as an option)
3 Cadence lap Average revolutions of the crank arm rsp. number of steps during the current lap (requires speed and cadence sensor rsp. foot pod which is available as an option)
4 Calories Amount of calories burned during this training unit
5 Distance Distance traveled during this training unit
6 Distance lap Distance traveled during current lap
7 Distance last lap Distance traveled during last completed lap
8 Elevation Current altitude
9 GPS accuracy Accuracy of current position information
10 Grade Inclination or declination, calculation based on distance and elevation gain or loss
11 Heart rate Current heart rate (requires heart rate monitor which is included in the pack but is also available as an option)
12 Heart rate graph Graphical representation of the heart rate over time (requires heart rate monitor which is included in the pack but is also available as an option)
13 Heart rate zone Current heart rate zone (the Forerunner 405 supports 5 adjustable heart rate zones to define different work out benefits; requires heart rate monitor which is included in the pack but is also available as an option)
14 Heart rate %Max Current heart rate in percent of the maximum heart rate (requires heart rate monitor which is included in the pack but is also available as an option)
15 Heart rate average Average heart rate during this training unit (requires heart rate monitor which is included in the pack but is also available as an option)
16 Heart rate average %Max Average heart rate in percent of the maximum heart rate during this training unit (requires heart rate monitor which is included in the pack but is also available as an option)
17 Heart rate lap Average heart rate during this lap (requires heart rate monitor which is included in the pack but is also available as an option)
18 Heart rate lap %Max Average heart rate in percent of the maximum heart rate during this lap (requires heart rate monitor which is included in the pack but is also available as an option)
19 Heading Current direction of movement
20 Laps Number of completed laps
21 Pace Current pace (time per distance unit)
22 Pace average Average pace (time per distance unit) for this training unit
23 Pace lap Average pace (time per distance unit) for this lap
24 Pace last lap Average pace (time per distance unit) for last completed lap
25 Speed Current speed (distance per time unit)
26 Speed average Average speed (distance per time unit) for this training unit
27 Speed lap Average speed (distance per time unit) for this lap
28 Speed last lap Average speed (distance per time unit) for last completed lap
29 Sunrise Time of the theoretical sunrise at the current location
30 Sunset Time of the theoretical sunset at the current location
31 Time Elapsed time since the start of the current training unit
32 Time of day Current time and date
33 Time average lap Average time to complete the laps so far
34 Time lap Elapsed time since the start of the current lap
35 Time last lap Time to complete the last completed lap
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Training Center:

You may download this software either from GARMIN's website or from our server, see Downloads below. The software requires a PC with Windows 2000 or later and an USB connector or an Intel-based Mac or PowerPC (G3 or newer) running OS X 10.4 or later with an USB connector. Training Center provides the following features:

Examples:

Hint: Click on the images for an enlargement

User profile Overview graphics Overview graphics
Training Center user profile Training Center overview graphics 1 Training Center overview graphics 2
Username, gender, weight, date of birth, speed zones etc. Calendar, logs, track, graphical representation for elevation and pace Calendar, logs, track, graphical representation for grade and speed
Overview values Graph speed over time Detailed map with track
Training Center overview totals Training Center graph speed over time Training Center detailed map
Calendar, logs, totals, graphical representation Graphical representation speed over time If you own a map with detailed information (e.g Topo Switzerland), you can display the track on these maps as well
Training schedule Workout (example 1) Workout (example 2)
Training Center training schedule Training Center workout 1 Training Center workout 2
The Training Center helps you to manage work outs and training schedules.
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Price:

This model has been discontinued; however, you can still order options for the Forerunner 405.

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Options:

Power supply with USB connector (cable not included)
(One such power supply comes with the Forerunner 310XT)
Add item to shopping basket CHF 22 | EUR 19 [Picture and details]
USB power cable
(One such power cable comes with the Forerunner 310XT)
Add item to shopping basket CHF 29 | EUR 25 [Picture and details]
Belt for heart rate monitor Add item to shopping basket CHF 16 | EUR 14 [Picture and details]
Premium chest belt with heart rate monitor (soft fabric strap for more comfort) Add item to shopping basket CHF 79 | EUR 69 [Picture and details]
Belt for premium heart rate monitor Add item to shopping basket CHF 65 | EUR 57 [Picture and details]
Bike speed and cadence sensor Add item to shopping basket CHF 68 | EUR 59 [Picture and details]
Foot-Pod Add item to shopping basket CHF 89 | EUR 78 [Picture and details]
Mounting kit for handlebar Add item to shopping basket CHF 22 | EUR 19 [Picture and details]
Wrist strap black including spring bolts tool Add item to shopping basket CHF 38 | EUR 33 [Picture and details]
USB ANT stick
(Such a USB stick comes with the Forerunner 405)
Add item to shopping basket CHF 49 | EUR 43 [Picture and details]

All options for the GARMIN Forerunner 405 in detail.

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Downloads:

Here we provide additional documentation and software updates related to the Forerunner 405.

If Adobe Acrobat Reader is not installed on your computer, you may download and install it for free.
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Order:

To order options for GARMIN Forerunner 405 please:

  1. Click on the price or the shopping basket symbol Show shopping basket to add the item you wish to purchase to the shopping basket. Your browser must accept cookies, otherwise the shopping basket won't work.
  2. If the shopping basket does not work, please use this form.

Please read our terms and conditions.

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Specifications and packaging of the products are subject to change without notice.


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