Apple Watch SE 3 vs Apple Watch SE (2nd Generation) comparison

Show Only Differences Highlight Differences	Apple Watch SE 3	Apple Watch SE (2nd Generation)
key specs
Dial Shape	Square	Rectangle
Ideal For	Unisex	Unisex
Display Size	-	40mm
Display Type	-	OLED Retina
general
Brand	Apple	Apple
Model	Watch SE 3	Watch SE (2nd Generation)
Release date	September 9, 2025	September 7, 2022
Model Name	Watch SE 3	Watch SE (2nd Generation)
Dial Shape	Square	Rectangle
Size	Regular	Regular
Interchangeable Strap	Yes	-
Dial Material	Aluminum	-
Ideal For	Unisex	Unisex
Touchscreen	-	Yes
product details
Compatible Device	iPhone 11 and above	-
Battery Life	Up to 24 hours	-
Charger Type	Wireless	-
connectivity features
Call Function	Yes	Yes
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Messaging Support	Yes	-
Bluetooth	-	Yes
platform and storage features
Operating System	WatchOS 26	watchOS 9
Processor Name	Apple S10	-
Number of Cores	-	dual-core
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Compass	Yes	Yes
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Heart Rate Monitor	-	Yes
Number of Buttons	-	1
camera and display features
Display Size	-	40mm
Display Type	-	OLED Retina
Backlight Display	-	Yes
Scratch Resistant	-	Yes

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