Brief Stainless steel case with Hermés watch face and engraving, Sapphire crystal, Retina.. ››
Brand Apple
Model Watch 38mm Hermes A1553
Released 2015 Apr 24
Hardware Designer Apple
Manufacturer Quanta Computer
Codename Apple Watch 1,1
OEM ID n27aap
General Extras 

Haptic touch feedback
, Tactile touch feedback

Device Category 

Smartwatch

Width 33.3 mm
Height 38.6 mm
Depth 10.5 mm
Dimensions 1.31×1.52×0.41 inches
Mass 40 g
1.41 ounces
Platform 

iOS

Operating System

Apple Watch OS 1.0

CPU Clock 520 MHz
CPU

Apple S1 (S7002), 2015, 32 bit, single-core, IMG PowerVR SGX543 GPU

RAM Type 

Yes

RAM Capacity (converted) 512 MiB RAM
Non-volatile Memory Capacity (converted) 8.0 GB ROM
Display Diagonal 33.96 mm
1.3 inch
Resolution 272×340
Horizontal Full Bezel Width 12.09 mm
Display Area Utilization 43.8%
Pixel Density 326 PPI
Display Type 

AM-OLED display

Number of Display Scales 16.8M
Scratch Resistant Screen 

Sapphire Glass

Graphical Controller PowerVR SGX543
A/V Out  No
Microphone(s) 

mono

Loudpeaker(s):  

mono

Audio Output:   No
Supported Cellular Bands  No
Complementary Phone Services 

Vibrate

Sec. Supported Cellular Networks:   No
Touchscreen Type 

Capacitive multi-touch screen

Scroll Wheel 

3-way rotary scroll wheel

Expansion Interfaces  No
USB  No
No
USB Connector  No
Bluetooth 

Bluetooth 4.0

Wireless LAN 

802.11b
, 802.11g
, 802.11n

NFC 

Yes

FM Radio Receiver  No
Camera Image Sensor  No
Focus  No
Flash  No
Aux. Camera Image Sensor  No
Aux. 2 Camera Image Sensor  No
Aux. 3 Camera Image Sensor  No
Aux.4 Camera Image Sensor  No
Secondary Camera Sensor  No
Sec. Aux. Cam. Image Sensor  No
Built-in accelerometer 

Yes

Built-in gyroscope 

Yes

Additional sensors 

Barometer
, Heart rate sensor
, Light sensor

Protection from solid materials 

Yes

Protection from liquids 

7 Protected against immersion up to 1m of depth

Immersion into liquids (depth limit) 100 cm
Battery 

Li-ion polymer (LiPo)

built-in

1-cell
Nominal Battery Voltage 3.80 Volts
Nominal Battery Capacity 205 mAh battery
Nominal Battery Energy 0.78 Wh
Estimated Battery Life 18.0 hours
Wireless Charging 

Yes

Data Integrity 

Final