Motorola · 2015
Moto 360 2nd Gen. 42mm Size, Dimensions & Wrist Fit
The Moto 360 2nd Gen. 42mm looks in proportion on wrists of 15 cm (5.9 in) and up round, and fills the wrist at 16–17.5 cm (lug-to-lug estimated at ≈48.5mm; Motorola does not publish it).
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Does the Moto 360 2nd Gen. 42mm fit your wrist?
The 42mm suits wrists of about 15 cm and up round; the 46mm, 16.5 cm and up. Both work from 16.5 to 21.5 cm, where it is a choice between more skin either side (the 42mm) and a case that fills the wrist (the 46mm). Under 16.5 cm only the 42mm's lugs stay on the wrist.
| Wrist round (mm left each side) | 42mm≈48.5mm lug to lug, est. | 46mm≈53mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (1.7mm over) | Overhangs (3.9mm over) |
| 15 cm / 5.9 in | Overhangs (0.1mm over) | Overhangs (2.3mm over) |
| 16 cm / 6.3 in | Sweet spot (1.6mm) | Overhangs (0.7mm over) |
| 17 cm / 6.7 in | Sweet spot (3.2mm) | Bold (0.9mm) |
| 18 cm / 7.1 in | Balanced (4.8mm) | Sweet spot (2.5mm) |
| 19 cm / 7.5 in | Balanced (6.4mm) | Sweet spot (4.1mm) |
| 20 cm / 7.9 in | Balanced (8mm) | Balanced (5.8mm) |
Which Moto 360 2nd Gen. size fits you?
The Moto 360 2nd Gen. 42mm in short
- The 46mm version is 4mm wider.
- Rated for 1.5 days of use per charge.
- Water resistant; no depth rating published.
- 1.37 inches LCD display.
- Gorilla Glass 3 glass.
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Size, fit and battery side by side, against any smartwatch we list.
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Moto 360 2nd Gen. 42mm battery life
Published runtime
- Battery life1.5 days
Where it ranks among Motorola watches
- Everyday use36 hours#6 of 12
- Capacity300 mAh#6 of 11
Settings to change and the 24-hour idle test are on the battery check.
2D Dimension Schematics
- Motorola Moto 360 2nd Gen. 42mm 42mm × ≈48.5mm (est.) · 11.4mm thick
3D preview
Motorola Moto 360 2nd Gen. 42mm on a wrist
Alternatives to the Moto 360 2nd Gen. 42mm
42mm · 11.9mm thick · 29g42mmMotorola
Moto Watch 100
42.8mm · 11.68mm thick · 52g42.8mmMotorola
Moto 360 3rd Gen.
44.6mm · 11mm thick · 55g44.6mmMotorola
Moto Watch 120
38mm · 12.3mm thick · 45g38mmMotorola
Moto Watch 200
46mm · 11.4mm thick46mmMotorola
Moto 360 2nd Gen. 46mm
30.8mm · 10.2mm thick · 26g30.8mmMotorola
Moto Watch 40
Moto 360 2nd Gen. 42mm specifications
- Battery life
- 1.5 days
- Display
- 1.37 inches
- Resolution
- 360 x 325 px
- Water rating
- Water resistant
- Glass
- Gorilla Glass 3
- Storage
- 4GB
Show all specificationsMotorola's published specification, for reference · checked September 2026
Design
- width
- 42
- height
- 42
- thickness
- 11.4
- resolution
- 360 x 325 px
- screen size
- 1.37 inches
- Display type
- LCD
- Has a display
- Yes
- pixel density
- 263 ppi
- water resistance
- Water resistant
- has a touch screen
- Yes
- Gorilla Glass version
- Gorilla Glass 3
- Watch band is replaceable
- Yes
- has branded damage-resistant glass
- Yes
Battery
- battery life
- 1.5 days
- battery power
- 300 mAh
- has wireless charging
- Yes
- has a rechargeable battery
- Yes
Sensors
- has a gyroscope
- Yes
- has an accelerometer
- Yes
- Has a heart rate monitor
- Yes
Features
- RAM
- 0.51GB
- CPU speed
- 4 x 1.2 GHz
- release date
- 2015-09-30
- Has a stopwatch
- Yes
- Has call control
- Yes
- Has silent alarm
- Yes
- internal storage
- 4GB
- Has notifications
- Yes
- Locates your phone
- Yes
- has voice commands
- Yes
- number of microphones
- 2
Connectivity
- has NFC
- No
- Wi-Fi version
- Wi-Fi 4 (802.11n)
- supports Wi-Fi
- Yes
- Bluetooth version
- 4
- Is compatible with iOS
- Yes
- Is compatible with Android
- Yes
Miscellaneous
- has a battery level indicator
- Yes
App & Software
- Provides activity reports
- Yes
- Counts how many calories you've burned
- Yes
Activity tracking
- Tracks steps taken
- Yes
