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Zepp E Square 43.3mm — case dimensions and design

Zepp · 2020

E Square 43.3mm Size, Dimensions & Wrist Fit

Case Width

35.7mm

Thickness

9mm

Lug-to-Lug

43.3mm

Weight

36g

The E Square 43.3mm looks in proportion on wrists of 13.5–19 cm (5.3–7.5 in) round, and fills the wrist at 14–16 cm (43.3mm lug to lug).

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Does the E Square 43.3mm fit your wrist?

Wrist round (mm left each side)43.3mm
14 cm / 5.5 inBold (0.9mm)
15 cm / 5.9 inSweet spot (2.5mm)
16 cm / 6.3 inBalanced (4.2mm)
17 cm / 6.7 inBalanced (5.8mm)
18 cm / 7.1 inBalanced (7.4mm)
19 cm / 7.5 inBalanced (9mm)
20 cm / 7.9 inUnderstated (10.6mm)

How the fit model works · Size chart for every wrist

The E Square 43.3mm in short

  • Rated for 15 days of use per charge.
  • Water rated to 50 m.
  • 36g on the wrist.
  • 1.65 inches AMOLED display, always-on capable.
  • Takes 20mm bands, so third-party straps fit without an adapter.

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

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E Square 43.3mm battery life

Published runtime

  • Battery life15 days
Charges in 2 hours

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

2D Dimension Schematics

Top view
Side view
  • Zepp E Square 43.3mm 35.7mm × 43.3mm · 9mm thick

3D preview

Zepp E Square 43.3mm on a wrist

Open 3D try-on

What size band does the E Square 43.3mm take?

Lug width

20mm

E Square 43.3mm specifications

Battery life
15 days
Display
1.65 inches
Resolution
348 x 442 px
Water rating
5 ATM
Strap
20 mm
Charging
2 hours
Show all specificationsZepp's published specification, for reference · checked September 2026

Design

width
35.7
height
43.3
volume
13.91 cm³
weight
36 g
thickness
9
ATM rating
5 ATM
resolution
348 x 442 px
screen size
1.65 inches
Display type
OLED/AMOLED
Has a display
Yes
pixel density
341 ppi
width of band
20 mm
water resistance
Waterproof
Always-On Display
Yes
has a touch screen
Yes
waterproof depth rating
50 m
Watch band is replaceable
Yes
Has sapphire glass display
No
has branded damage-resistant glass
No

Battery

charge time
2 hours
battery life
15 days
battery power
188 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 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
2020-08-20
Has a stopwatch
Yes
Has smart alarm
No
Has call control
No
Has silent alarm
Yes
Locates your phone
No
has a front camera
No
has voice commands
No
Acquires GPS faster
No
Has vibrating alerts
Yes
Can be used to answer calls
No
Has a built-in camera remote control function
No

Connectivity

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

Miscellaneous

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

Has achievements
No
Has goal setting
Yes
Has weight tracking
No
Tracks water intake
No
Has inactivity alerts
No
Has temperature tracking
No
Provides activity reports
Yes
Counts how many calories you've burned
Yes

Activity tracking

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