WatchFitTool
Garmin Forerunner® 405 — case dimensions and design

Garmin · 2008

Forerunner® 405Size, Dimensions & Wrist Fit

Case Width

—

Thickness

—

Diameter

—

Weight

60g

Check offerCheck Wrist FitCompare

Does the Forerunner® 405 fit your wrist?

Drag the slider to your wrist width and see the Forerunner® 405 overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.

For sports watches, Lug-to-Lug (L2L) is what matters most. Bulky is fine — overhang is not.

mm
40.0mm (small)85.0mm (large)
How to Measure
1

Lay arm flat, palm up.

2

Measure the flat width across top of wrist.

Wrist Width Measurement Guide →
Garmin Forerunner® 405 (010-00658-10)
Case: 0mmL2L: ~0mmThick: —
Edge Clearance
+27.5mm
Check offer on Amazon
Understated27.5mm+ clearance. Conservative fit - could go larger if you want more wrist presence.

Compare the Forerunner® 405 with…

vs Garmin Bounce 2vs Garmin Venu 4 - 45mmvs Garmin Venu 4 - 41mmvs Garmin Forerunner® 570 - 42mm

Garmin Forerunner® 405 Full Specifications

Overview1
FamilyGarmin
General6
Dimension1.88" x 2.78" x 0.646" (4.8 x 7.1 x 1.6 cm)
Battery Typerechargeable lithium-ion
Battery life
2 weeks in power save mode; 8 hours in training mode
Display Size1.06" (2.7 cm) diameter
Water ratingIPX7
Display resolution124 x 95 pixels
Sensors1
GPSYes
Additional1
Additional
Watch functions include dual time, date and alarm. Garmin Connect and Garmin Training Center are compatible with Windows® XP or newer and Intel-based Mac running OS 10.4.11 or later with Safari.
Product Info5
Main SKU010-00658-10
Product ID11039
Product NameForerunner® 405
Release Date1/3/2008
Product VariationBlack
Maps & Memory3
History1000 laps
Navigation Routes0
Waypoints/favorites/locations100
Cycling Features2
CoursesYes
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)Yes (for advanced workouts only)
Training, Planning and Analysis Features7
Auto scrollYes
Virtual PartnerYes
Advanced workoutsYes
Interval trainingYes
Customizable data pagesYes
Auto Pause® automatic timer haltYes
Auto Lap® interval tracking featureYes

Watches Similar to the Forerunner® 405

Garmin Bounce 2

Garmin

Bounce 2

43mm

Garmin Venu 4 - 45mm

Garmin

Venu 4 - 45mm

45mm

Garmin Venu 4 - 41mm

Garmin

Venu 4 - 41mm

41mm

Garmin Forerunner® 570 - 42mm

Garmin

Forerunner® 570 - 42mm

42.4mm

Garmin Forerunner® 570 - 47mm

Garmin

Forerunner® 570 - 47mm

47mm

Garmin Forerunner® 970

Garmin

Forerunner® 970

47mm

Garmin Instinct 3 Solar Tactical Edition 45mm

Garmin

Instinct 3 Solar Tactical Edition 45mm

45mm

Garmin Instinct 3 – 50 mm, Solar, Tactical Edition

Garmin

Instinct 3 – 50 mm, Solar, Tactical Edition

50mm

Garmin Instinct® 3 – 50 mm, AMOLED, Tactical Edition

Garmin

Instinct® 3 – 50 mm, AMOLED, Tactical Edition

50mm

Garmin Instinct® 3 – 45 mm, Solar, Tactical Edition

Garmin

Instinct® 3 – 45 mm, Solar, Tactical Edition

45mm

Forerunner® 405 — Frequently Asked Questions

How much does the Garmin Forerunner® 405 weigh?

The Garmin Forerunner® 405 weighs 60g (case only; straps add weight).

What is the best way to compare the Garmin Forerunner® 405 with other watches?

Use our side-by-side comparison tool to see the Garmin Forerunner® 405 next to any other watch — case size, thickness, lug-to-lug and full specs, scaled to real proportions.

← All Garmin watchesBrowse all brandsCompare watch sizes →