Apple Watch SE 3
Apple Watch Series 11 42mm

Apple Watch SE 3 Apple Watch Series 11 42mm

Common Features

  • Both products have an OLED/AMOLED display type.
  • Both products have an IP68 ingress protection rating.
  • Both products are waterproof up to 50 m.
  • Both products have an always-on display.
  • Both products have a replaceable watch band.
  • Both products can operate at a maximum temperature of 35 °C.
  • Both products can operate at a minimum temperature of 0 °C.
  • Both products have a display.
  • Both products have a heart rate monitor.
  • Both products have GPS.
  • Both products have an accelerometer.
  • Both products have a temperature sensor.
  • Both products have a compass.
  • Both products have a barometer.
  • Both products have a gyroscope.
  • Both products have a cellular module.
  • Both products are compatible with iOS.
  • Both products support Wi-Fi 4 (802.11n).
  • Both products have wireless charging.
  • Both products have a rechargeable battery.

Main Differences

  • Apple Watch SE 3 has a screen size of 1.78″, while Apple Watch Series 11 42mm has a screen size of 1.6″.
  • Apple Watch SE 3 is waterproof, while Apple Watch Series 11 42mm is water resistant.
  • Apple Watch SE 3 has a pixel density of 326 ppi, while Apple Watch Series 11 42mm has a pixel density of 352 ppi.
  • Apple Watch SE 3 has a resolution of 368 x 448 px, while Apple Watch Series 11 42mm has a resolution of 374 x 446 px.
  • Apple Watch SE 3 has branded damage-resistant glass, while Apple Watch Series 11 42mm does not.
  • Apple Watch SE 3 has a thickness of 10.7 mm, while Apple Watch Series 11 42mm has a thickness of 9.7 mm.
  • Apple Watch SE 3 weighs 33 g, while Apple Watch Series 11 42mm weighs 34.4 g.
  • Apple Watch SE 3 has a height of 44 mm, while Apple Watch Series 11 42mm has a height of 42 mm.
  • Apple Watch SE 3 has a width of 38 mm, while Apple Watch Series 11 42mm has a width of 34.6 mm.
  • Apple Watch SE 3 does not have sapphire glass, while Apple Watch Series 11 42mm has sapphire glass.
  • Apple Watch SE 3 has a volume of 17.8904 cm³, while Apple Watch Series 11 42mm has a volume of 14.09604 cm³.
  • Apple Watch SE 3 has a maximum altitude of 10000 feet, while Apple Watch Series 11 42mm has a maximum altitude of 3000 feet.
  • Apple Watch SE 3 does not monitor blood oxygenation levels, while Apple Watch Series 11 42mm does.
  • Apple Watch SE 3 does not track calorie intake, while Apple Watch Series 11 42mm does.
  • Apple Watch SE 3 does not measure VO2 max, while Apple Watch Series 11 42mm does.
  • Apple Watch SE 3 has a smart alarm, while Apple Watch Series 11 42mm does not.
  • Apple Watch SE 3 does not track water intake, while Apple Watch Series 11 42mm does.
  • Apple Watch SE 3 does not have weight tracking, while Apple Watch Series 11 42mm does.
  • Apple Watch SE 3 has a battery life of 0.75 days, while Apple Watch Series 11 42mm has a battery life of 1 day.
  • Apple Watch SE 3 has a battery life of 32 hours in power save mode, while Apple Watch Series 11 42mm has a battery life of 38 hours in power save mode.
Specs Comparison
Apple Watch SE 3

Apple Watch SE 3

Apple Watch Series 11 42mm

Apple Watch Series 11 42mm

Design:
screen size 1.78" 1.6"
Display type OLED/AMOLED OLED/AMOLED
water resistance Waterproof Water resistant
Ingress Protection (IP) rating IP68 IP68
waterproof depth rating 50 m 50 m
Always-On Display
pixel density 326 ppi 352 ppi
resolution 368 x 448 px 374 x 446 px
Watch band is replaceable
has branded damage-resistant glass
thickness 10.7 mm 9.7 mm
weight 33 g 34.4 g
height 44 mm 42 mm
width 38 mm 34.6 mm
maximum operating temperature 35 °C 35 °C
lowest potential operating temperature 0 °C 0 °C
Has a display
has a touch screen
Has sapphire glass display
volume 17.8904 cm³ 14.09604 cm³
maximum altitude 10000 feet 3000 feet

The Apple Watch SE 3 features a 1.78″ OLED/AMOLED display, while the Apple Watch Series 11 42mm has a smaller 1.6″ OLED/AMOLED screen. Both have Always-On Displays, but the SE 3 offers a higher pixel density of 326 ppi compared to the Series 11’s 352 ppi, though this is a minor difference in sharpness. The SE 3 also has a higher resolution of 368 x 448 px, compared to the Series 11's 374 x 446 px. Both models are equipped with an IP68 rating for water resistance, making them waterproof up to 50 meters, but the Series 11 has a sapphire glass display, while the SE 3 does not.

In terms of design, the Apple Watch SE 3 is slightly thicker at 10.7 mm, compared to the Series 11's 9.7 mm. However, the SE 3 is also slightly lighter, weighing 33 g, compared to the Series 11’s 34.4 g. The SE 3 is larger overall, with a height of 44 mm and width of 38 mm, compared to the Series 11’s 42 mm height and 34.6 mm width. Both watches have replaceable watch bands and branded damage-resistant glass, but the Series 11 lacks branded damage-resistant glass.

When it comes to durability, both watches have the same maximum operating temperature of 35 °C and a minimum operating temperature of 0 °C. The SE 3 can reach a maximum altitude of 10,000 feet, while the Series 11 has a significantly lower maximum altitude of 3,000 feet. The SE 3 also has a larger volume at 17.8904 cm³ compared to the Series 11’s 14.09604 cm³, suggesting a bulkier design.

Sensors:
Monitors blood oxygenation levels
Has a heart rate monitor
has GPS
has an accelerometer
Has a temperature sensor
has a compass
Has a barometer
has a gyroscope
Has a cadence sensor
Monitors perspiration

Both the Apple Watch SE 3 and the Apple Watch Series 11 42mm come with a robust set of sensors. Both watches include heart rate monitors, GPS, accelerometers, temperature sensors, compasses, barometers, and gyroscopes. However, there are differences in the additional features. The Series 11 has the ability to monitor blood oxygenation levels, which the SE 3 does not. Additionally, while both watches have the same set of sensors for activity tracking, neither includes a cadence sensor or the ability to monitor perspiration.

In terms of key sensors, both watches are quite similar, with the exception of the Series 11’s blood oxygenation sensor, which may be a noteworthy addition for users looking for more comprehensive health tracking. The rest of the sensor suite, including the heart rate monitor and GPS, is identical across both models.

Overall, the main distinction lies in the blood oxygen monitoring, which the Apple Watch Series 11 offers, while the SE 3 does not. Otherwise, both watches offer the same set of fitness and environmental sensors.

Activity tracking:
Tracks your sleep
Tracks distance
Tracks steps taken
Measures pace
Provides sleep reports
Detects activities automatically
Has a route tracker
Tracks elevation
Has multi-sport mode
Has exercise tagging
Has a stroke counter for swimming
Tracks calorie intake
Designed for diving
Designed for golf

Both the Apple Watch SE 3 and the Apple Watch Series 11 42mm share a comprehensive set of activity tracking features. Both watches track sleep, distance, steps taken, and pace, and they provide sleep reports. They also both automatically detect activities, have route trackers, and track elevation. Additionally, both models feature multi-sport modes, exercise tagging, and stroke counters for swimming, making them well-suited for various fitness activities.

The key difference between the two watches is that the Apple Watch Series 11 42mm can track calorie intake, a feature that the SE 3 lacks. Both models are not designed for diving or golf, meaning they do not offer specialized tracking for these activities.

Overall, the activity tracking capabilities of the SE 3 and Series 11 are very similar, with the exception of the calorie intake tracking available only on the Series 11.

Connectivity:
has a cellular module
Is compatible with iOS
Is compatible with Android
Bluetooth version 5.3 5.3
supports Wi-Fi
Wi-Fi version Wi-Fi 4 (802.11n) Wi-Fi 4 (802.11n)
supports ANT+
SIM cards 1 eSIM 1 eSIM
has NFC
supports Galileo

The Apple Watch SE 3 and Apple Watch Series 11 42mm offer very similar connectivity features. Both watches include a cellular module, are compatible with iOS (but not Android), and support Bluetooth 5.3. They both also support Wi-Fi (Wi-Fi 4, 802.11n), have NFC, and use a single eSIM for SIM cards. Additionally, both models support Galileo for satellite navigation.

There are no differences in terms of core connectivity features between the two watches. Both support the same wireless technologies and have identical capabilities in terms of cellular and wireless connections.

In summary, the connectivity specifications of the Apple Watch SE 3 and the Apple Watch Series 11 42mm are identical, offering the same range of features with no notable differences.

Battery:
battery life 0.75 days 1 days
battery life in power save mode 32 hours 38 hours
has wireless charging
has a rechargeable battery
Has a solar power battery
has a removable battery

The Apple Watch SE 3 and Apple Watch Series 11 42mm have similar battery features, but with slight differences in battery life. The SE 3 offers a battery life of 0.75 days, while the Series 11 lasts slightly longer with a 1-day battery life. In power save mode, the SE 3 lasts for 32 hours, whereas the Series 11 extends to 38 hours. Both watches have wireless charging, rechargeable batteries, and neither has a solar power battery or a removable battery.

In summary, the Apple Watch Series 11 offers slightly better battery performance compared to the SE 3, with a longer overall battery life and more time in power save mode.

However, both models share similar charging options and battery types, making them comparable in terms of convenience and overall power management.

Features:
release date September 2025 September 2025
measures VO2 max
measures resting heart rate
has fast/slow heart rate notifications
shows readiness level
Can be used to answer calls
Locates your phone
Has call control
Has notifications
has irregular heart rate warnings
Has silent alarm
Has vibrating alerts
has fall detection
Has a stopwatch
Has smart alarm
has voice commands
internal storage 64GB 64GB
Has a built-in camera remote control function
Acquires GPS faster
number of microphones 1 1
has a front camera

The Apple Watch SE 3 and Apple Watch Series 11 42mm share many features, but there are a few key differences. Both watches measure resting heart rate, have fast/slow heart rate notifications, and offer the ability to answer calls, locate your phone, and control calls. They both also feature notifications, irregular heart rate warnings, silent alarms, vibrating alerts, fall detection, stopwatches, smart alarms, voice commands, 64GB of internal storage, and built-in camera remote control functions. Both models also have one microphone and no front camera.

One notable difference is that the Series 11 measures VO2 max, while the SE 3 does not. Additionally, while both models can acquire GPS, the Series 11 does not have a faster GPS acquisition time compared to the SE 3. The Series 11 lacks the smart alarm feature, which is present in the SE 3.

Overall, the Apple Watch Series 11 adds VO2 max measurement, but the SE 3 has the unique advantage of a smart alarm. Both watches provide a very similar set of core features for fitness tracking, notifications, and daily use.

App & Software:
Provides activity reports
Has inactivity alerts
Counts how many calories you've burned
Has goal setting
Has achievements
Free app
Has exercise diary
Ad-free
Has coaching
Has temperature tracking
Has period notifications
Has voice feedback
Has music playback
Exports to email
Predicts ovulation
Predicts start date
Can be personalised
Has barcode scanner on app
Tracks water intake
Has weight tracking

Both the Apple Watch SE 3 and Apple Watch Series 11 42mm offer a wide range of features through their respective apps. Both watches provide activity reports, inactivity alerts, calorie counting, goal setting, achievements, and access to a free app that is ad-free. They also include an exercise diary, temperature tracking, period notifications, voice feedback, music playback, ovulation prediction, and start date prediction. Both models can be personalized and do not have a barcode scanner on the app.

However, the Series 11 has two notable differences. It tracks water intake and includes weight tracking, which are not available on the SE 3. The SE 3 offers all the core features present in the Series 11 but lacks these specific tracking capabilities.

Overall, the Apple Watch SE 3 and Apple Watch Series 11 share many app-related features, with the Series 11 offering additional water and weight tracking functionalities.

Miscellaneous:
has a battery level indicator
has crash detection
has aptX
Has auto pause
Has passcode
Compatible with smart scales
Compatible with external heart rate monitors
Is compatible with Windows
has an external memory slot
Is compatible with Mac OS X
has a socket for a 3.5 mm audio jack

The Apple Watch SE 3 and Apple Watch Series 11 42mm have identical specifications in several miscellaneous features. Both watches include a battery level indicator, crash detection, auto pause, passcode protection, compatibility with smart scales, and compatibility with external heart rate monitors. Neither model supports aptX, external memory slots, nor a 3.5 mm audio jack. Both are compatible with Mac OS X and are not compatible with Windows.

There are no differences between the Apple Watch SE 3 and the Series 11 in terms of these miscellaneous features, with both offering the same functionality in all listed areas.

In summary, the Apple Watch SE 3 and the Apple Watch Series 11 share the same set of additional features, with no significant differences between them in this category.

Comparison Summary

This is a specification comparison between Apple Watch SE 3 and Apple Watch Series 11 42mm. Both products share features like a replaceable watch band, waterproof depth rating of 50 m, and support for wireless charging. The Apple Watch SE 3 has a larger screen size of 1.78″ compared to 1.6″ on the Series 11 42mm. The SE 3 also offers branded damage-resistant glass, while the Series 11 42mm has sapphire glass. In terms of performance, the SE 3 has a shorter battery life of 0.75 days, whereas the Series 11 42mm lasts 1 day. The SE 3 does not monitor blood oxygen levels, unlike the Series 11 42mm. Additionally, the SE 3 lacks the ability to track water intake and weight, which are present on the Series 11 42mm.