Apple Watch Series 3 versus Apple Watch Ultra 3

Compare specifications, price, availability, ratings and shopping interest.

Apple Watch Series 3, 42mm

Discontinued
KSh 33,000

Apple Watch Ultra 3

In Stock
KSh 127,000

Apple Watch Series 3, 42mm Apple Watch Ultra 3
Price KSh 33,000 KSh 127,000
Sales 5 - For Oct 2025 9 - For Oct 2025
Average rating 2.9 - 35 votes 0 -
Likes 8 - For Oct 2025 0 - For Oct 2025
Views 1,218 - For Oct 2025 68 - For Oct 2025
General
Available September
2017
September
2025
Dimensions 42.5 x 36.4 x 11.4 mm
49 x 44 x 12 mm
Weight 52.8 g
61.6 g
Colors Space Black
Silver
Natural
Black
Straps -
Starlight
Green
Orange
Network 2G, 3G, 4G 2G, 3G, 4G, 5G, eSIM, Satellite SOS
Compatibility Apple iPhone 6
iOS 11 up
iOS
Key features 50m waterproof
Sapphire crystal glass
3D Touch
Siri
Always-on sapphire crystal glass display
Up to 3000 nits display brightness
Rugged construction with titanium frame and MIL-STD 810H certification
Up to 40m diving depth gauge
180-meter range emergency siren
More reliable positioning with dual-band GPS
Frame -
Grade 5 Titanium Frame
Ceramic and Sapphire Crystal Back
Platform
Operating system watchOS 4.0
watchOS 26
Processor Dual-core
Dual-core
4-core Neural Engine
Chipset Apple S3
Apple S10
Graphics processor PowerVR
PowerVR
RAM 768MB
-
Storage 16GB
64GB
Card slot No
No
Battery 279mAh
Li-Ion
Li-Ion
Battery features -
Wireless Charging
Up to 42h Normal Use
Up to 72h Low Power Mode
Up to 80% in 45 Min
15 Min Charging = Up to 12h Normal Use
Platform features 50M Water Resistant
ECG Certified
Heart Rate / Sleep / Blood Oxygen / Activity Monitoring
Menstrual Cycle Tracking
Dual Speakers
86dB / 180m Emergency Siren
Rotating Crown with Haptic Feedback
Side Button
Three-mic Array
Software applications -
Fitness Modes
Guided Meditation
High and Low Heart Rate Notifications
Medications App
IP rating -
IP6X Dust and Water Resistant
100m Water Resistant
Up to 40m Diving Depth Gauge
MIL-STD 810H Certified
Display
Display size 1.65 inches
390 x 312 pixels
1.98 Inches
514 x 422 Pixels
Display type AMOLED screen
16M colors
Retina LTPO3 OLED Screen
16M Colors
Pixel density 303 ppi
326 ppi
Display features Sapphire Crystal Glass
3D Touch
Always-on Display
3000 Nits Peak Brightness
Sapphire Crystal Glass
Sensors & Connectivity
Sensors Accelerometer
Heart Rate
Gyro
Barometer
Accelerometer
Heart Rate
Gyro
Barometer
Compass
SpO2
VO2max
Always-on Altimeter
Body Temperature
Water Temperature
Connectivity Bluetooth 4.2
NFC
WiFi
GPS
GLONASS
Bluetooth 5.3
NFC
Dual-band Wi-Fi
GPS / GLONASS / GALILEO / BDS / QZSS
Dual-band GPS
Sensors & connectivity features -
-