
Garmin · 2014
Forerunner® 920XTSize, Dimensions & Wrist Fit
Case Width
45mm
Thickness
12.7mm
Lug-to-Lug
55mm
Weight
61g
The Garmin Forerunner® 920XT sits best on flat wrist widths of about 58–79mm (≈ 15.5–21.1cm wrist circumference). Adjust the slider below to check your wrist.
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The Forerunner® 920XT in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Rated for 40 hours of use per charge.
- 61g on the wrist. Heavier than 83% of the 45mm watches we have weights for.
- 1.1" x 0.8" (29.0 x 21.0 mm) display.
- chemically strengthened glass case, chemically strengthened glass glass.
Does the Forerunner® 920XT fit your wrist?
Drag the slider to your wrist width and see the Forerunner® 920XT overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
Watch Fit Tool
For sports watches, lug-to-lug (L2L) is what matters most — it decides whether a watch overhangs your wrist. Bulky is fine; overhang is not.
Measure at the point where you wear your watch — typically just below the wrist bone.
Flat width — lay your arm on a table, palm facing up, and measure straight across the top of your wrist with a ruler. Bone to bone; do not follow the curve down the sides.
Around — wrap a tape measure snugly round the wrist. No tape? Wrap a strip of paper, mark the overlap and hold the strip against a ruler.
Width ≠ circumference. They are different numbers — around 170mm is about 64mm across — so set the toggle to whichever one you actually measured before you type it in.
Garmin Forerunner® 920XT
Case 55.0mm · Lug-to-lug 55.0mm · Thickness 12.7mm · 61g
Bold
55mm on a 55mm wrist
Across the wrist it works — 0.0mm spare each side — but the case is as wide as the flat of your wrist, so it rests on the curve and will rock.
On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 55mm — look a size down.
Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.
- 1. Flat width — arm flat on a table, palm up. Measure straight across the top of the wrist, bone to bone, ignoring the curve down the sides.
- 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Leather: Attaches at the lugs, so the case back rests on your skin. Thins and softens with wear. Typical figures, not this model’s own.
Show the measurementsHide the measurements
- Across the wrist0.0mm spare each side
Filled edge to edge — maximum presence, nothing to spare.
- Off the wrist12.7mm off the skin
Normal sports-watch height for a wrist this size. (12.7mm case, back against the skin)
- How it seats~19.8mm under the rim
The case is as wide as the flat of your wrist, so it rests on the curve and will rock.
- Weight on the wrist61g
Substantial without being a burden — the usual weight of a steel watch on a wrist this size. (1.1g per mm of wrist)
Happy with the fit? Check current availability for the Forerunner® 920XT.
Check offer2D Dimension Schematics
The Forerunner® 920XT drawn to scale — from above, and in profile against the wrist.
- Garmin Forerunner® 920XT45mm × 55mm · 12.7mm thick
3D preview
Garmin Forerunner® 920XT on a wrist
On an arm sized to your own wrist — the view a product photo never gives you.
Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.
Forerunner® 920XT battery life
The runtime the manufacturer publishes for everyday use.
- Smartwatch40 hours
How the Forerunner® 920XT ranks on battery
Against the 296 Garmin watches in our database, ranked on each figure Garmin publishes.
- GPS tracking24 hours#161 of 267
Forerunner® 920XT specifications
The figures that decide a purchase, followed by every line Garmin publishes.
- Battery life
- GPS mode: Up to 24 hoursUltraTrac™ mode: Up to 40 hours
- Display
- 1.1" x 0.8" (29.0 x 21.0 mm)
- Resolution
- 205 x 148 pixels
- Glass
- chemically strengthened glass
- Strap
- TPU
- Storage
- 32 MB
Full specification sheet
100 published lines across 15 groups, unedited
Overview
- Family
- Garmin
General
- Battery life
- GPS mode: Up to 24 hoursUltraTrac™ mode: Up to 40 hours
- Display Size
- 1.1" x 0.8" (29.0 x 21.0 mm)
- Color display
- Lens Material
- chemically strengthened glass
- Memory/History
- 32 MB
- Strap material
- TPU
- Display resolution
- 205 x 148 pixels
Sensors
- GPS
- Compass
- GLONASS
- Accelerometer
- Barometric altimeter
Product Info
- Main SKU
- 010-01174-00
- Product ID
- 137024
- Product Name
- Forerunner® 920XT
- Release Date
- 10/1/2014
- Product Variation
- Black/Blue Watch Only
Clock Features
- Stopwatch
- Time/date
- Alarm clock
- GPS Time Sync
- Sunrise/sunset times
- Automatic daylight saving time
Cycling Features
- Courses
- Race an activity
- Power meter compatible
- Advanced cycling dynamics
- FTP (Functional Threshold Power)
- yes (with compatible accessory)
- Bike lap and lap maximum power (with power sensor)
- Compatible with Vector™ and Rally™ (power meters)
- Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)
Running Features
- Run workouts
- Race predictor
- Foot pod capable
- Running dynamics
- yes (with compatible accessory)
- Vertical oscillation and ratio
- yes (but not ratio)
- Ground contact time and balance
- yes (but not balance)
- GPS-based distance, time and pace
- Cadence (provides real-time number of steps per minute)
Activity Profiles
- Swim
- Pool Swimming, Open Water Swimming
- Cycling
- Outdoor recreation
Swimming Features
- Pool swim workouts
- Drill logging (pool swim only)
- "Repeat on" rest timer (pool swim only)
- Basic rest timer (up from 0) (pool swim only)
- Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)
- Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)
- Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)
- Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim)
- yes (with HRM-Tri™ and HRM-Swim™)
Outdoor Recreation
- Back to start
- UltraTrac mode
- GPS coordinates
- yes (at least for Where Am I)
- Distance to destination
- Point-to-point navigation
- Bread crumb trail in real time
Daily Smart Features
- Connectivity
- VIRB® Remote
- Smart Notifications
- Smartphone compatibility
- iPhone®, Android™
- Pairs with Garmin Connect™ Mobile
- Connect IQ™ (downloadable watch faces, data fields, widgets and apps)
Activity Tracking Features
- Step counter
- Calories burned
- Distance traveled
- Move alerts (displays on device after a period of inactivity)
- Auto goal (learns your activity level and assigns a daily step goal)
Health & Wellness Monitoring
- Sleep
Safety and Tracking Features
- LiveTrack
Training, Planning and Analysis Features
- % HRR
- yes (with compatible accessory)
- % HR max
- yes (with compatible accessory)
- HR zones
- yes (with compatible accessory)
- HR alerts
- yes (with compatible accessory)
- Manual lap
- Auto max HR
- yes (with compatible accessory)
- Auto scroll
- Finish time
- HR calories
- yes (with compatible accessory)
- Custom alerts
- Recovery time
- yes (with compatible accessory)
- VO2 Max (Run)
- Course guidance
- Training effect
- Virtual Partner
- Race an Activity
- Advanced workouts
- Interval training
- Strava Live Segments
- yes (Live Segments Only)
- GPS speed and distance
- Configurable lap alerts
- Customizable data pages
- Touch and/or button lock
- Activity history on watch
- Auto multisport activities
- Downloadable training plans
- Manual multisport activities
- Customizable activity profiles
- Auto Pause® automatic timer halt
- Auto Lap® interval tracking feature
Alternatives to the Forerunner® 920XT
Watches that cover a similar amount of wrist, with the measurements that separate them.

Garmin
D2 Air X15
- Width
- 45mm
- Thick
- 12.5mm
- Weight
- 38g

Garmin
Venu 4 45mm
- Width
- 45mm
- Thick
- 12.5mm
- Weight
- 38g

Garmin
Instinct® 3 – 45 mm, Solar, Tactical Edition
- Width
- 45mm
- Thick
- 14.9mm
- Weight
- 52g

Garmin
Instinct® E – 45 mm
- Width
- 45mm
- Thick
- 14.2mm
- Weight
- 48g

Garmin
Instinct® 3 – 45 mm, Solar
- Width
- 45mm
- Thick
- 14.9mm
- Weight
- 52g

Garmin
Instinct® 3 – 45 mm, AMOLED
- Width
- 45mm
- Thick
- 14.9mm
- Weight
- 53g
Forerunner® 920XT — Frequently Asked Questions
Will the Garmin Forerunner® 920XT fit my wrist?
The Garmin Forerunner® 920XT looks balanced on flat wrist widths of roughly 58–79mm (about 15.5–21.1cm circumference). Drag the slider above to check it against your own measurement.
How long does the Garmin Forerunner® 920XT battery last?
Garmin rates it at 40 hours per charge in everyday use.
Is the Garmin Forerunner® 920XT thick for a 45mm watch?
At 12.7mm, thinner than 67% of 45mm watches, so it slides under a cuff more easily than most of its size. Thickness, not case width, is what decides whether a watch catches on a shirt cuff.
What other watches are the same size as the Garmin Forerunner® 920XT?
OnePlus Watch Lite, Oppo Watch S, Google Pixel Watch 4 - 45mm, Tissot T-Race Chronograph PVD / Black / Rubber all sit within half a millimetre of the Garmin Forerunner® 920XT's 45mm case, so they cover the same amount of wrist.
What is the lug-to-lug of the Garmin Forerunner® 920XT?
55mm, against a 45mm case width. Lug-to-lug is the measurement that decides overhang: if it exceeds the flat width of your wrist, the lugs sit past the edge no matter how modest the case diameter looks.
