Apple Watch 1st Gen 38mm
- vs -
Apple Watch Series 3 42mm Stainless Steel

Product comparison

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Device Information

Silver, Space Grey, Gold, Rose Gold Colours Silver, Space Black
8 GB Storage 16 GB
0.50 GB Memory 1.00 GB
Watch OS Operating System Watch OS
349 $ / 399 € Price from 699 $ / 749 €
Q2/2015 Release Date Q3/2017

Dimensions / Housing

Rectangular Display form Rectangular
38.6 mm Height 42.5 mm
33.3 mm Width 36.4 mm
10.5 mm Depth 11.4 mm
25 g Weight 53 g
Aluminum Housing Material Stainless Steel
Waterproof 50m Water Resistance Waterproof 50m
-- MIL Standard --

Processor

Apple S1 Name Apple S3
Apple Manufacturer Apple
1 / 1 Cores / Threads 2 / 2
0.52 (0.52) GHz Frequency 0.78 (0.78) GHz
28 nm Structure 14 nm
S1 Architecture S3
Q2/2015 Release Date Q3/2017

Screen

1.3 inch Size 1.5 inch
OLED Technology OLED
Glass (Ion-X) Glas Type Sapphire Glass
272x340 (326 ppi) Resolution 312x390 (326 ppi)
450 nits Brightness 1000 nits
No Always On Display No

Battery

Rechargeable Battery Type Rechargeable Battery
205.00 Wh Capacity 352.00 Wh
No Solar module No
24.00 h Battery Life 24.00 h
Magnetic Charging Charging Magnetic Charging

Connectivity

802.11n (Wi-Fi 4) Wireless LAN 802.11n (Wi-Fi 4)
Bluetooth 4.0 Bluetooth Bluetooth 4.2
-- SIM card eSIM
-- Cellular 4G (LTE)
Yes NFC Yes
No ANT+ No
No UWB No
-- Ports --

Sensors

Yes Acceleration Yes
No Barometer Yes
No Thermometer No
Yes Gyroscope Yes
Yes GPS Yes
No Compass No

Measurement Functions

Yes Hear Rate Yes
No ECG No
No Blood Pressure No
No Blood Oxygen No
No Skin Temperature No

Manufacturer

A1553 Part-no A1861, A1891, A1892
Link to manufacturer Datasheet Link to manufacturer

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