Garmin · 2015
Forerunner 630Size, Dimensions & Wrist Fit
The Garmin Forerunner 630 sits best on flat wrist widths of about 47–64mm (≈ 12.6–17.1cm wrist circumference). Adjust the slider below to check your wrist.
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The Forerunner® 630 in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Rated for 16 hours of use per charge.
- 44g on the wrist. Lighter than 83% of the 45mm watches we have weights for.
- 1.23" (31.1 mm) diameter display.
- chemically strengthened glass case, chemically strengthened glass glass.
Does the Forerunner 630 fit your wrist?
Drag the slider to your wrist width and see the Forerunner 630 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® 630
Case 45.0mm · Lug-to-lug 45.0mm · Thickness 11.7mm · 44g
Balanced Fit
45mm on a 55mm wrist
Comfortably inside the edges of your wrist, and it seats and sits low enough to wear without thinking about it.
On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 45mm, so you could go bigger.
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 wrist5.0mm spare each side
Comfortable, with visible skin either side.
- Off the wrist11.7mm off the skin
Normal sports-watch height for a wrist this size. (11.7mm case, back against the skin)
- How it seats~5.2mm under the rim
Seats well, with the case back following most of the wrist.
- Weight on the wrist44g
Light enough to forget you have it on. (0.8g per mm of wrist)
Happy with the fit? Check current availability for the Forerunner 630.
Check offer2D Dimension Schematics
The Forerunner® 630 drawn to scale — from above, and in profile against the wrist.
- Garmin Forerunner® 63045mm · 11.7mm thick
3D preview
Garmin Forerunner® 630 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® 630 battery life
The runtime the manufacturer publishes for everyday use.
- Smartwatch16 hours
How the Forerunner® 630 ranks on battery
Against the 296 Garmin watches in our database, ranked on each figure Garmin publishes.
- Everyday use28 days#93 of 285
- GPS tracking16 hours#204 of 267
Forerunner® 630 specifications
The figures that decide a purchase, followed by every line Garmin publishes.
- Battery life
- Smartwatch Mode: Up to 4 weeksGPS mode: Up to 16 hours
- Display
- 1.23" (31.1 mm) diameter
- Resolution
- 215 x 180 pixels
- Glass
- chemically strengthened glass
- Strap
- silicone
- Storage
- 200 hours of activity data
Full specification sheet
91 published lines across 14 groups, unedited
Overview
- Family
- Garmin
General
- Battery life
- Smartwatch Mode: Up to 4 weeksGPS mode: Up to 16 hours
- Display Size
- 1.23" (31.1 mm) diameter
- Color display
- Lens Material
- chemically strengthened glass
- Memory/History
- 200 hours of activity data
- Strap material
- silicone
- Display resolution
- 215 x 180 pixels
Sensors
- GPS
- Compass
- GLONASS
- Accelerometer
Product Info
- Main SKU
- 010-03717-00
- Product ID
- 516105
- Product Name
- Forerunner® 630
- Release Date
- 10/21/2015
- Product Variation
- Black and White Watch Only
Clock Features
- Stopwatch
- Time/date
- Alarm clock
- GPS Time Sync
- Automatic daylight saving time
Cycling Features
- Courses
- Race an activity
- Advanced cycling dynamics
- Compatible with Varia™ lights
- Compatible with Varia™ radar (rear-facing radar)
- Compatible with Varia Vision™ (head-mounted display)
- 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)
- Lactate threshold
- yes (with compatible accessory)
- Performance condition
- yes (with compatible accessory)
- Stride length (real time)
- Vertical oscillation and ratio
- yes (with compatible accessory)
- Ground contact time and balance
- yes (with compatible accessory)
- GPS-based distance, time and pace
- Cadence (provides real-time number of steps per minute)
Activity Profiles
- Cycling
Swimming Features
- Basic rest timer (up from 0) (pool swim only)
Outdoor Recreation
- Back to start
- Distance to destination
- yes (for back to start)
Daily Smart Features
- Calendar
- Connectivity
- Find My Phone
- VIRB® Remote
- Weather forecasts
- Smart Notifications
- Smartphone compatibility
- iPhone®, Android™
- Controls smartphone music
- Pairs with Garmin Connect™ Mobile
- Connect IQ™ (downloadable watch faces, data fields and apps)
Activity Tracking Features
- TrueUp™
- 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
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)
- Voice alerts
- 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
- GPS speed and distance
- Configurable lap alerts
- Customizable data pages
- Touch and/or button lock
- Activity history on watch
- Downloadable training plans
- Customizable activity profiles
- Auto Pause® automatic timer halt
- Auto Lap® interval tracking feature
- HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels)
- yes (with compatible accessory)
Alternatives to the Forerunner® 630
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® 630 — Frequently Asked Questions
Will the Garmin Forerunner 630 fit my wrist?
The Garmin Forerunner 630 looks balanced on flat wrist widths of roughly 47–64mm (about 12.6–17.1cm circumference). Drag the slider above to check it against your own measurement.
How long does the Garmin Forerunner 630 battery last?
Garmin rates it at 16 hours per charge in everyday use.
How does the Garmin Forerunner 630 battery compare with other Garmin watches?
At 28 days in everyday use it ranks #93 of the 285 Garmin watches in our database — the top 33% of the range. The full ranking, including GPS and power-saving figures, is on our Garmin battery life comparison.
Is the Garmin Forerunner 630 thick for a 45mm watch?
At 11.7mm, thinner than 82% 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 630?
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 630's 45mm case, so they cover the same amount of wrist.
