Apple · 2021
Watch Series 7 - Titanium · 45mmSize, Dimensions & Wrist Fit
Case Width
38mm
Thickness
10.7mm
Lug-to-Lug
45mm
Weight
45.1g
The Apple Watch Series 7 - Titanium · 45mm 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 Watch Series 7 - Titanium · 45mm in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Rated for 0.75 days of use per charge.
- Water rated to 50 m.
- 10.7mm thick. Middle of the pack for thickness at this width.
- 1.9 inches OLED/AMOLED display, always-on capable.
- Carries on-board maps rather than breadcrumb navigation only.
Does the Watch Series 7 - Titanium · 45mm fit your wrist?
Drag the slider to your wrist width and see the Watch Series 7 - Titanium · 45mm 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 Watch Series 7 - Titanium · 45mm.
Check offer2D Dimension Schematics
The Watch Series 7 - Titanium · 45mm drawn to scale — from above, and in profile against the wrist.
- Apple Watch Series 7 - Titanium · 45mm38mm × 45mm · 10.7mm thick
3D preview
Apple Watch Series 7 - Titanium · 45mm 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 Watch Series 7 size fits you?
This model comes in 6 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 6 Watch Series 7 variants fit this wrist. The 38mm gives you the most presence without overhanging; the smallest is the discreet end of the range.
- Width
- 35mm
- Thick
- 10.7mm
- Weight
- 32g
7.0mm clear a side
View this size- Width
- 35mm
- Thick
- 10.7mm
- Weight
- 42.3g
7.0mm clear a side
View this size- Width
- 35mm
- Thick
- 10.7mm
- Weight
- 37g
7.0mm clear a side
View this size- Width
- 38mm
- Thick
- 10.7mm
- Weight
- 38.8g
5.0mm clear a side
View this size- Width
- 38mm
- Thick
- 10.7mm
- Weight
- 51.5g
5.0mm clear a side
View this size- Width
- 38mm
- Thick
- 10.7mm
- Weight
- 45.1g
5.0mm clear a side
Watch Series 7 - Titanium · 45mm battery life
The runtime the manufacturer publishes for everyday use.
- Smartwatch0.75 days
How the Watch Series 7 - Titanium · 45mm ranks on battery
Against the 77 Apple watches in our database, ranked on each figure Apple publishes.
- Everyday use18 hours#15 of 77
- Capacity309 mAh#14 of 44
Watch Series 7 - Titanium · 45mm specifications
The figures that decide a purchase, followed by every line Apple publishes.
- Battery life
- 0.75 days
- Display
- 1.9 inches
- Resolution
- 396 x 484 px
- Water rating
- 5 ATM
- Storage
- 32GB
- Charging
- 1.2 hours
Full specification sheet
112 published lines across 8 groups, unedited
Design
- width
- 38
- height
- 45
- volume
- 18.3 cm³
- weight
- 45.1 g
- thickness
- 10.7
- ATM rating
- 5 ATM
- resolution
- 396 x 484 px
- screen size
- 1.9 inches
- Display type
- OLED/AMOLED
- Has a display
- pixel density
- 329 ppi
- water resistance
- Waterproof
- Always-On Display
- has a touch screen
- waterproof depth rating
- 50 m
- Watch band is replaceable
- Has sapphire glass display
- Ingress Protection (IP) rating
- IP68
- has branded damage-resistant glass
Battery
- charge time
- 1.2 hours
- battery life
- 0.75 days
- battery power
- 309 mAh
- has wireless charging
- has a removable battery
- Has a solar power battery
- has a rechargeable battery
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
- RAM
- 1GB
- CPU speed
- 2 x 1.8 GHz
- release date
- 2021-10-08
- 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 a front camera
- has fall detection
- has voice commands
- Acquires GPS faster
- Has vibrating alerts
- number of microphones
- 1
- 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
- SIM cards
- 1 eSIM
- Wi-Fi version
- Wi-Fi 4 (802.11n)
- supports ANT+
- supports Wi-Fi
- supports Galileo
- Bluetooth version
- 5
- has a cellular module
- Is compatible with iOS
- Is compatible with Android
Miscellaneous
- has aptX
- Has passcode
- Has auto pause
- Is compatible with Windows
- Is compatible with Mac OS X
- has an external memory slot
- Compatible with smart scales
- has a battery level indicator
- has a socket for a 3.5 mm audio jack
- Compatible with external heart rate monitors
App & Software
- Ad-free
- Free app
- Has coaching
- Includes maps
- Has achievements
- Has goal setting
- Has exercise diary
- Can be personalised
- Has weight tracking
- Predicts start date
- Tracks water intake
- Has inactivity alerts
- Has period notifications
- Has temperature tracking
- Provides activity reports
- 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 Watch Series 7 - Titanium · 45mm
Watches that cover a similar amount of wrist, with the measurements that separate them.
Apple
Watch SE 3 - GPS · 44mm
- Width
- 38mm
- Thick
- 10.7mm
- Weight
- 32.9g
Apple
Watch SE 3 - GPS + Cellular · 44mm
- Width
- 38mm
- Thick
- 10.7mm
- Weight
- 33g
Apple
Watch Series 9 - 45mm
- Width
- 38mm
- Thick
- 10.7mm
- Weight
- 38.8g
Apple
Watch Series 9 - Stainless Steel · 45mm
- Width
- 38mm
- Thick
- 10.7mm
- Weight
- 51.5g
Apple
Watch Series 8 - 45mm
- Width
- 38mm
- Thick
- 10.7mm
- Weight
- 38.8g
Apple
Watch Series 8 - GPS · Aluminium · 45mm
- Width
- 38mm
- Thick
- 10.7mm
- Weight
- 38.8g
Watch Series 7 - Titanium · 45mm — Frequently Asked Questions
Will the Apple Watch Series 7 - Titanium · 45mm fit my wrist?
The Apple Watch Series 7 - Titanium · 45mm 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 Apple Watch Series 7 - Titanium · 45mm battery last?
Apple rates it at 0.75 days per charge in everyday use.
How does the Apple Watch Series 7 - Titanium · 45mm battery compare with other Apple watches?
At 18 hours in everyday use it ranks #15 of the 77 Apple watches in our database — the top 19% of the range. The full ranking, including GPS and power-saving figures, is on our Apple battery life comparison.
Is the Apple Watch Series 7 - Titanium · 45mm thick for a 38mm watch?
At 10.7mm, middle of the pack for thickness at this width. Thickness, not case width, is what decides whether a watch catches on a shirt cuff.
Should I get the 35mm or 38mm Watch Series 7?
The Watch Series 7 comes in 2 case sizes — 35mm, 38mm. Which one suits you depends on the flat width of your wrist rather than preference: the larger sizes need a wider wrist to sit inside the edge. Set your measurement in the size picker above and each variant reports its clearance in millimetres.
What other watches are the same size as the Apple Watch Series 7 - Titanium · 45mm?
Huawei Watch Fit 4, Certina DS Action Diver 38 Powermatic 80 PVD / Black, Omega Railmaster Omega Co-Axial Master Chronometer 38 Stainless Steel / Grey Gradient, TAG Heuer Formula 1 Solargraph 38 Black Polylight / Black / Rubber all sit within half a millimetre of the Apple Watch Series 7 - Titanium · 45mm's 38mm case, so they cover the same amount of wrist.
What is the lug-to-lug of the Apple Watch Series 7 - Titanium · 45mm?
45mm, against a 38mm 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.
