Apple Watch 1st Gen 38mm Stainless Steel
- vs -
Apple Watch Series 7 45mm Titan

Product comparison

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Device Information

Silver, Space Black Colours Space Black, Titanium
8 GB Storage 32 GB
0.50 GB Memory 1.00 GB
Watch OS Operating System Watch OS
549 $ / 649 € Price from 849 $ / 879 €
Q2/2015 Release Date Q4/2021

Dimensions / Housing

Rectangular Display form Rectangular
38.6 mm Height 45.0 mm
33.3 mm Width 38.0 mm
10.5 mm Depth 10.7 mm
40 g Weight 45 g
Stainless Steel Housing Material Titanium
Waterproof 50m Water Resistance Waterproof 50m
-- MIL Standard --

Processor

Apple S1 Name Apple S7
Apple Manufacturer Apple
1 / 1 Cores / Threads 2 / 2
0.52 (0.52) GHz Frequency 1.80 (1.80) GHz
28 nm Structure 7 nm
S1 Architecture S7
Q2/2015 Release Date Q4/2021

Screen

1.3 inch Size 1.9 inch
OLED Technology OLED
Sapphire Glass Glas Type Sapphire Glass
272x340 (326 ppi) Resolution 396x484 (326 ppi)
450 nits Brightness 1000 nits
No Always On Display Yes

Battery

Rechargeable Battery Type Rechargeable Battery
205.00 Wh Capacity 309.00 Wh
No Solar module No
24.00 h Battery Life 18.00 h
Magnetic Charging Charging Magnetic Charging

Connectivity

802.11n (Wi-Fi 4) Wireless LAN 802.11n (Wi-Fi 4)
Bluetooth 4.0 Bluetooth Bluetooth 5.0
-- SIM card eSIM
-- Cellular 4G (LTE)
Yes NFC Yes
No ANT+ No
No UWB Yes
-- Ports --

Sensors

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

Measurement Functions

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

Manufacturer

A1553 Part-no A2477, A2478
Link to manufacturer Datasheet Link to manufacturer

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