Garmin · 2022
Fenix 7S Sapphire SolarSize, Dimensions & Wrist Fit
The Garmin Fenix 7S Sapphire Solar sits best on flat wrist widths of about 44–60mm (≈ 11.7–16.0cm wrist circumference). Adjust the slider below to check your wrist.
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The Fenix 7S Sapphire Solar in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Between 7 hours and 14 days per charge depending on the power mode — smartwatch at best, training at worst.
- Water rated to 100 m.
- 58g on the wrist. Heavier than 65% of the 42mm watches we have weights for.
- 1.2 inches LCD display, always-on capable.
- Takes 20mm bands, so third-party straps fit without an adapter.
Does the Fenix 7S Sapphire Solar fit your wrist?
Drag the slider to your wrist width and see the Fenix 7S Sapphire Solar 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 Fenix 7S Sapphire Solar.
Check offer2D Dimension Schematics
The Fenix 7S Sapphire Solar drawn to scale — from above, and in profile against the wrist.
- Garmin Fenix 7S Sapphire Solar42mm · 14.1mm thick
3D preview
Garmin Fenix 7S Sapphire Solar 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.
Which Fenix 7S size fits you?
This model comes in 2 versions. Set your measurement and each one reports its own verdict — tap any size to open its page.
Which of these fits your wrist?
Roughly a 14.7cm wrist circumference — the measurement a tape gives you. Compared against lug-to-lug where we have it, case width otherwise.
All 2 Fenix 7S variants fit this wrist. The 42mm · Solar · Sapphire gives you the most presence without overhanging; the smallest is the discreet end of the range.
- Width
- 42mm
- Thick
- 14.1mm
- Weight
- 58g
6.5mm clear a side
- Width
- 42mm
- Thick
- 14.1mm
- Weight
- 63g
6.5mm clear a side
View this sizeHow long the Fenix 7S Sapphire Solar lasts, by power mode
Runtime changes by a factor of 48 depending on what you leave switched on. Bars are scaled against the longest mode.
- Smartwatch14 days
- GPS162 hours
- Training7 hours
How the Fenix 7S Sapphire Solar ranks on battery
Against the 268 Garmin watches in our database, ranked on each figure Garmin publishes.
- Everyday use14 days#116 of 257
- GPS tracking162 hours#4 of 233
What size band does the Fenix 7S Sapphire Solar take?
Lug width
20mm
Any 20mm strap fits, so you are not restricted to Garmin's own bands. Quick-release pins let you swap without tools — check that a replacement lists 20mm and quick-release before buying.
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.
Fenix 7S Sapphire Solar specifications
The figures that decide a purchase, followed by every line Garmin publishes.
- Battery life
- 14 days
- Display
- 1.2 inches
- Resolution
- 240 x 240 px
- Water rating
- 10 ATM
- Strap
- 20 mm
- Storage
- 32GB
Full specification sheet
116 published lines across 8 groups, unedited
Design
- width
- 42
- height
- 42
- volume
- 24.87 cm³
- weight
- 58 g
- thickness
- 14.1
- ATM rating
- 10 ATM
- resolution
- 240 x 240 px
- screen size
- 1.2 inches
- Display type
- LCD
- Has a display
- pixel density
- 282 ppi
- width of band
- 20 mm
- water resistance
- Waterproof
- Always-On Display
- has a touch screen
- is designed for kids
- waterproof depth rating
- 100 m
- Watch band is replaceable
- Has sapphire glass display
- has branded damage-resistant glass
Battery
- battery life
- 14 days
- has wireless charging
- has a removable battery
- battery life with GPS on
- 162 hours
- Has a solar power battery
- has a rechargeable battery
- battery life in training mode
- 7 hours
Sensors
- has GPS
- has a compass
- Has a barometer
- has a gyroscope
- Has a cadence sensor
- has an accelerometer
- Monitors perspiration
- Has a heart rate monitor
- Has a temperature sensor
- Monitors blood oxygenation levels
Features
- release date
- 2022-01-18
- Has a stopwatch
- Has smart alarm
- warranty period
- 1 years
- Has call control
- Has silent alarm
- has HRV tracking
- internal storage
- 32GB
- measures VO2 max
- Has notifications
- Has ECG technology
- Locates your phone
- has fall detection
- has voice commands
- Acquires GPS faster
- Has vibrating alerts
- shows readiness level
- Can be used to answer calls
- measures resting heart rate
- has irregular heart rate warnings
- has fast/slow heart rate notifications
- Has a built-in camera remote control function
Connectivity
- has NFC
- supports ANT+
- supports Wi-Fi
- supports Galileo
- has a cellular module
- Is compatible with iOS
- Is compatible with Android
Miscellaneous
- Has auto pause
- Available on PC
- Can upload maps
- Has trackback mode
- Has a wind speed sensor
- Is compatible with Windows
- Is compatible with Mac OS X
- has an external memory slot
- Compatible with smart scales
- has a battery level indicator
- Provides the sunrise/sunset time
- has a socket for a 3.5 mm audio jack
- Informs about the risk of thunderstorms
- Compatible with external heart rate monitors
App & Software
- Ad-free
- Free app
- Tracks BMI
- Has coaching
- Includes maps
- Supports routes
- Has achievements
- Has goal setting
- Has live tracking
- Has exercise diary
- Predicts ovulation
- Can be personalised
- Has weight tracking
- Predicts start date
- Tracks water intake
- Has inactivity alerts
- Has period notifications
- Has temperature tracking
- Doesn’t require account
- Provides activity reports
- Displays fertile window notifications
- Counts how many calories you've burned
Activity tracking
- Measures pace
- Tracks distance
- Tracks elevation
- Designed for golf
- Tracks your sleep
- Tracks steps taken
- Designed for diving
- Has a route tracker
- Has exercise tagging
- Has multi-sport mode
- Tracks calorie intake
- Provides sleep reports
- Detects activities automatically
- Has a stroke counter for swimming
Alternatives to the Fenix 7S Sapphire Solar
Watches that cover a similar amount of wrist, with the measurements that separate them.
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Garmin
epix™ Pro (Gen 2) – Sapphire Edition | 42 mm
- Width
- 42mm
- Thick
- 14.2mm
- Weight
- 63g
%20%E2%80%93%20Standard%20Edition%20%7C%2042%20mm.jpg&w=3840&q=75)
Garmin
epix™ Pro (Gen 2) – Standard Edition | 42 mm
- Width
- 42mm
- Thick
- 14.2mm
- Weight
- 63g
Garmin
fēnix® 7S Pro – Sapphire Solar Edition
- Width
- 42mm
- Thick
- 14.1mm
- Weight
- 58g
Garmin
fēnix® 7S Pro – Solar Edition
- Width
- 42mm
- Thick
- 14.1mm
- Weight
- 63g
Garmin
Approach® S70 - 42 mm
- Width
- 42mm
- Thick
- 12.6mm
- Weight
- 44g
Garmin
Bounce
- Width
- 42mm
- Thick
- 12.6mm
- Weight
- 37.2g
Fenix 7S Sapphire Solar — Frequently Asked Questions
Will the Garmin Fenix 7S Sapphire Solar fit my wrist?
The Garmin Fenix 7S Sapphire Solar looks balanced on flat wrist widths of roughly 44–60mm (about 11.7–16.0cm circumference). Drag the slider above to check it against your own measurement.
What size band does the Garmin Fenix 7S Sapphire Solar take?
20mm. Any 20mm strap fits, so you are not limited to Garmin's own bands — look for a quick-release fitting if you want to swap without tools.
How long does the Garmin Fenix 7S Sapphire Solar battery last?
Between 7 hours and 14 days per charge, depending on the power mode. Garmin rates Smartwatch at 14 days and Training at 7 hours; the chart above lists all 3 modes.
How does the Garmin Fenix 7S Sapphire Solar 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.
Is the Garmin Fenix 7S Sapphire Solar thick for a 42mm watch?
At 14.1mm, thicker than 81% of 42mm watches — it will sit noticeably high on the wrist. 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 Fenix 7S Sapphire Solar?
Certina DS Action Chrono PVD / Carbon / Bracelet, Omega Speedmaster Professional Moonwatch 3861 Moonshine Gold / Black Lacquer, TAG Heuer Carrera Chronograph Seafarer Stainless Steel / Silver, Huawei Watch 5 - 42mm all sit within half a millimetre of the Garmin Fenix 7S Sapphire Solar's 42mm case, so they cover the same amount of wrist.
