Garmin · 2009
Forerunner® 405CXSize, Dimensions & Wrist Fit
Affiliate disclosure: As an Amazon Associate, WatchFitTool earns from qualifying purchases. If you buy through links on this page, we may earn a commission at no extra cost to you. Learn more.
The Forerunner® 405CX in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Rated for 2 weeks of use per charge.
- Water rated to IPX7.
- 60g on the wrist.
- 1.06" (2.7 cm) diameter display.
Does the Forerunner® 405CX fit your wrist?
Drag the slider to your wrist width and see the Forerunner® 405CX overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
Happy with the fit? Check current availability for the Forerunner® 405CX.
Check offerForerunner® 405CX battery life
The runtime the manufacturer publishes for everyday use.
- Smartwatch2 weeks
How the Forerunner® 405CX ranks on battery
Against the 268 Garmin watches in our database, ranked on each figure Garmin publishes.
- Everyday use14 days#116 of 257
- GPS tracking8 hours#222 of 233
Forerunner® 405CX specifications
The figures that decide a purchase, followed by every line Garmin publishes.
- Battery life
- 2 weeks in power save mode; 8 hours in training mode
- Display
- 1.06" (2.7 cm) diameter
- Resolution
- 124 x 95 pixels
- Water rating
- IPX7
Full specification sheet
26 published lines across 8 groups, unedited
Overview
- Family
- Garmin
General
- Dimension
- 1.88" x 2.78" x 0.646" (4.8 x 7.1 x 1.6 cm)
- Battery Type
- rechargeable lithium-ion
- Battery life
- 2 weeks in power save mode; 8 hours in training mode
- Display Size
- 1.06" (2.7 cm) diameter
- Water rating
- IPX7
- Display resolution
- 124 x 95 pixels
Sensors
- GPS
Additional
- Additional
- Watch functions include dual time, date and alarm. Garmin Connect is compatible with Windows® XP or newer and Intel-based Mac running OS 10.4 or later with Safari.
Product Info
- Main SKU
- 010-00658-30
- Product ID
- 31859
- Product Name
- Forerunner® 405CX
- Release Date
- 4/2/2009
- Product Variation
- Forerunner® 405CX
Maps & Memory
- History
- 1000 laps
- Navigation Routes
- 0
- Waypoints/favorites/locations
- 100
Cycling Features
- Courses
- Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)
- Yes (for advanced workouts only)
Training, Planning and Analysis Features
- Auto scroll
- Virtual Partner
- Advanced workouts
- Interval training
- Customizable data pages
- Auto Pause® automatic timer halt
- Auto Lap® interval tracking feature
Alternatives to the Forerunner® 405CX
Watches that cover a similar amount of wrist, with the measurements that separate them.
Garmin
Bounce 2
- Width
- 43mm
- Thick
- 12.4mm
- Weight
- 26.5g
Garmin
Venu 4 - 45mm
- Width
- 45mm
- Thick
- 12mm
- Weight
- 38g
Garmin
Venu 4 - 41mm
- Width
- 41mm
- Thick
- 12mm
- Weight
- 33g
Garmin
Forerunner® 570 - 42mm
- Width
- 42.4mm
- Thick
- 12.9mm
- Weight
- 42g
Garmin
Forerunner® 970
- Width
- 47mm
- Thick
- 12.9mm
- Weight
- 56g
Garmin
Forerunner® 570 - 47mm
- Width
- 47mm
- Thick
- 12.9mm
- Weight
- 50g
Forerunner® 405CX — Frequently Asked Questions
How long does the Garmin Forerunner® 405CX battery last?
Garmin rates it at 2 weeks per charge in everyday use.
How does the Garmin Forerunner® 405CX battery compare with other Garmin watches?
At 14 days in everyday use it ranks #116 of the 257 Garmin watches in our database — the top 45% of the range. The full ranking, including GPS and power-saving figures, is on our Garmin battery life comparison.
