Garmin Forerunner 405

Quick details

Released

January 2008

Dimensions

48 x 71 x 16 mm including strap

Operating system

Garmin proprietary wearable platform

Display 27 x 26 mm Monochrome LCD

Battery life Up to 2 weeks in power-save mode; up to 8 hours in training mode

Water resistance IPX7

GPS Yes

Sensors GPS

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Technical specifications

General

Release date January 2008

Product type GPS running watch

Physical size 48 x 71 x 16 mm including strap

Weight 60 g

Material Polymer case; elastomer strap

Water resistance IPX7

Color options Black, Green

Display type Monochrome LCD

Display size 27 x 26 mm

Display resolution 124 x 95 pixels

Battery Rechargeable lithium-ion battery

Battery life Up to 2 weeks in power-save mode; up to 8 hours in training mode

Charging Garmin proprietary charging clip

Sensors

GNSS type Built-in GPS

GPS Yes

GALILEO No

GLONASS No

QZSS No

Beidou No

Accelerometer No

Gyroscope No

Barometric altimeter No

Compass No

Geomagnetic No

Ambient light sensor No

Optical heart rate No

Electrical heart rate No

SpO2 No

Temperature No

Galvanic skin response No

Microphone No

Speakers No

Vibration motor No

Health & activity tracking

Steps No

Distance Yes

Calories burned Yes

Floors No

Sports tracking Yes (running)

Sleep No

Heart rate Yes (with compatible heart rate monitor)

HRV No

Stress No

Blood oxygen No

Respiration rate No

Skin temperature No

ECG No

Blood pressure No

Body composition No

Glucose No

Hydration level No

UV exposure No

Calorie intake No

Hyperglycemia risk assessment No

Arterial stiffness detection No

Pulse wave arrhythmia analysis No

Daily smart features

Smartphone compatibility No

Operating system at launch Garmin proprietary wearable platform

Bluetooth No

Wi-Fi No

NFC / connected pay No

UWB No

Cellular No

Smartphone notifications No

Bluetooth calling No

Smartphone music control No

On-board music storage No

Voice assistant No

Garmin performance & training

Body Battery No

Training Readiness No

Training Status No

Training Load Focus No

Endurance Score No

Hill Score No

Real-Time Stamina No

Running Tolerance No

Running Economy No

Step Speed Loss No

Performance Condition No

PacePro No

ClimbPro No

Jet Lag Adviser No

Daily Suggested Workouts No

Race Widget No

Morning Report No

Garmin Coach No

Garmin golf

Golf course maps No

Green View No

Hazard View No

Garmin AutoShot No

PlaysLike Distance No

PinPointer No

Touch Targeting No

Virtual Caddie No

Green Contours No

Club tracking compatibility No

Swing Tempo No

Tempo Training No

Garmin tactical

Stealth Mode No

Kill Switch No

Jumpmaster No

Night Vision compatibility No

Applied Ballistics No

Garmin aviation

Direct-to/Nearest airport navigation No

Aviation maps No

METAR/TAF weather No

NEXRAD radar No

Automatic flight logging No

Garmin Pilot flight-plan transfer No

Garmin diving

Dive modes No

Air integration No

SubWave networking No

Dive Readiness No

DiveView maps No

Diver-to-diver messaging No

Garmin marine

Chartplotter connectivity No

Autopilot control No

Fusion-Link No

Boat data streaming No

Tide data No

Garmin ecosystem

Connect IQ No

Built-in inReach No

Links

Affiliate link Garmin

These technical specs are correct to the best of our knowledge at the time of publishing.