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Motorola Moto Watch 40 — case dimensions and design

Motorola · 2024

Moto Watch 40 Size, Dimensions & Wrist Fit

Case Width

30.8mm

Thickness

10.2mm

Lug-to-Lug

45.9mm

Weight

26g

The Moto Watch 40 looks in proportion on wrists of 14–20.5 cm (5.5–8.1 in) round, and fills the wrist at 15–16.5 cm (45.9mm lug to lug).

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Does the Moto Watch 40 fit your wrist?

Wrist round (mm left each side)30.8mm
14 cm / 5.5 inOverhangs (0.4mm over)
15 cm / 5.9 inSweet spot (1.2mm)
16 cm / 6.3 inSweet spot (2.9mm)
17 cm / 6.7 inBalanced (4.5mm)
18 cm / 7.1 inBalanced (6.1mm)
19 cm / 7.5 inBalanced (7.7mm)
20 cm / 7.9 inBalanced (9.3mm)

How the fit model works · Size chart for every wrist

The Moto Watch 40 in short

  • Rated for 10 days of use per charge.
  • Water rated to 5 ATM.
  • 26g on the wrist.
  • 1.57 inches LCD display.
  • Takes 18mm bands, so third-party straps fit without an adapter.

Compare with another watch

Size, fit and battery side by side, against any smartwatch we list.

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Moto Watch 40 battery life

Published runtime

  • Battery life10 days

Where it ranks among Motorola watches

  • Everyday use10 days#4 of 12
  • Capacity240 mAh#11 of 11
See all 12 Motorola watches ranked by battery life

Settings to change and the 24-hour idle test are on the battery check.

2D Dimension Schematics

Top view
Side view
  • Motorola Moto Watch 40 30.8mm × 45.9mm · 10.2mm thick

3D preview

Motorola Moto Watch 40 on a wrist

Open 3D try-on

What size band does the Moto Watch 40 take?

Lug width

18mm

Moto Watch 40 specifications

Battery life
10 days
Display
1.57 inches
Resolution
240 x 240 px
Water rating
5 ATM
Strap
18 mm
Show all specificationsMotorola's published specification, for reference · checked September 2026

Design

width
30.8
height
45.9
volume
14.42 cm³
weight
26 g
thickness
10.2
ATM rating
5 ATM
resolution
240 x 240 px
screen size
1.57 inches
Display type
LCD
Has a display
Yes
pixel density
235 ppi
width of band
18 mm
water resistance
Water resistant
Always-On Display
No
has a touch screen
Yes
is designed for kids
No
Watch band is replaceable
Yes
Has sapphire glass display
No
Ingress Protection (IP) rating
IP67
has branded damage-resistant glass
No

Battery

battery life
10 days
battery power
240 mAh
has wireless charging
No
has a removable battery
No
Has a solar power battery
No
has a rechargeable battery
Yes

Sensors

has GPS
No
has a compass
No
Has a barometer
No
has a gyroscope
No
Has a cadence sensor
No
has an accelerometer
Yes
Monitors perspiration
No
Has a heart rate monitor
Yes
Has a temperature sensor
No
Monitors blood oxygenation levels
Yes

Features

release date
2024-02-07
Has a stopwatch
Yes
Has smart alarm
No
warranty period
1 years
Has call control
No
Has silent alarm
Yes
has HRV tracking
No
measures VO2 max
No
Has notifications
Yes
Has ECG technology
No
Locates your phone
No
has a front camera
No
has fall detection
No
has voice commands
No
Acquires GPS faster
No
Has vibrating alerts
Yes
shows readiness level
No
Can be used to answer calls
No
measures resting heart rate
Yes
has irregular heart rate warnings
No
Has a built-in camera remote control function
No

Connectivity

has NFC
No
supports ANT+
No
supports Wi-Fi
No
supports Galileo
No
Bluetooth version
5
has a cellular module
No
Is compatible with iOS
Yes
Is compatible with Android
Yes

Miscellaneous

Has passcode
Yes
Is compatible with Windows
No
Is compatible with Mac OS X
No
has an external memory slot
No
has a battery level indicator
Yes
has a socket for a 3.5 mm audio jack
No

App & Software

Ad-free
Yes
Free app
Yes
Has coaching
No
Supports routes
No
Has achievements
Yes
Has goal setting
Yes
Has exercise diary
Yes
Can be personalised
Yes
Has weight tracking
Yes
Tracks water intake
Yes
Has inactivity alerts
Yes
Has temperature tracking
No
Doesn’t require account
No
Provides activity reports
Yes
Counts how many calories you've burned
Yes

Activity tracking

Measures pace
No
Tracks distance
No
Tracks elevation
No
Designed for golf
No
Tracks your sleep
Yes
Tracks steps taken
Yes
Designed for diving
No
Has a route tracker
No
Has exercise tagging
No
Has multi-sport mode
No
Tracks calorie intake
Yes
Provides sleep reports
Yes
Detects activities automatically
Yes
Has a stroke counter for swimming
No
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