Apple Watch Series 7 Aluminum

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Full Specifications September 3, 2026

Apple · 2021

Apple Watch Series 7 Aluminum

Name: Apple Watch Series 7 Aluminum
Brand: Apple

Apple Watch Series 7 Aluminum watch. Announced Sep 2021. Features 1.9″ display, Apple S7 chipset, 309 mAh battery, 32 GB storage, 1000 MB RAM, IP6X certified, Ion-X strengthened glass.

Display 1.9"

Chipset Apple S7

RAM 1 GB

Storage 32GB storage, no card slot

Battery 309 mAh

OS watchOS 8.0, up to watchOS 26.6

Build 32g (41mm), 38.8g (45mm), 10.7mm thickness

Launch

Announced 2021, September 14

Status Available. Released 2021, October 15

Platform

OS watchOS 8.0, upgradable to watchOS 26.6

Chipset Apple S7

CPU Dual-core

GPU PowerVR

Display

Type Retina LTPO OLED, 1000 nits (peak)

Size 1.9 inches

Resolution 484 x 396 pixels (~326 ppi density)

Protection Ion-X strengthened glass

Memory

Card slot No

Internal 32GB 1GB RAM

memoryother eMMC 5.1

Camera

cam1modules No

Body

Dimensions 45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)

Weight 32 g (41mm), 38.8 g (45mm) (1.13 oz)

Build Glass front, ceramic/sapphire crystal back, aluminum frame

SIM eSIM

bodyother IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models)

Battery

Type Li-Ion 309 mAh (1.19 Wh)

Charging Wireless, 0-80% in 45 min

Sound

Loudspeaker Yes

3.5mm jack No

Comms

WLAN Wi-Fi 802.11 b/g/n, dual-band

Bluetooth 5.0, A2DP, LE

Positioning GPS, GLONASS, GALILEO, QZSS, BDS

NFC Yes

Radio No

USB No

Network

Technology GSM / HSPA / LTE

2G bands GSM 850 / 900 / 1800 / 1900

3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International

4G bands 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International

Speed HSPA, LTE

Features

Sensors Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max

featuresother Ultra Wideband (UWB) support

Misc

Colors Starlight, Midnight, Blue, Green, Red

Models A2473, A2474, A2475, A2476, A2477, A2478, watch6,6, watch6,7, watch6,8, watch6,9

SAR 1.10 W/kg (head)

SAR EU 0.70 W/kg (head) 1.50 W/kg (body)

In depth

Full specifications

Announced	2021, September 14
Status	Available. Released 2021, October 15

OS	watchOS 8.0, upgradable to watchOS 26.6
Chipset	Apple S7
CPU	Dual-core
GPU	PowerVR

Type	Retina LTPO OLED, 1000 nits (peak)
Size	1.9 inches
Resolution	484 x 396 pixels (~326 ppi density)
Protection	Ion-X strengthened glass

Card slot	No
Internal	32GB 1GB RAM
memoryother	eMMC 5.1

cam1modules	No

Dimensions	45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)
Weight	32 g (41mm), 38.8 g (45mm) (1.13 oz)
Build	Glass front, ceramic/sapphire crystal back, aluminum frame
SIM	eSIM
bodyother	IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models)

Type	Li-Ion 309 mAh (1.19 Wh)
Charging	Wireless, 0-80% in 45 min

Loudspeaker	Yes
3.5mm jack	No

WLAN	Wi-Fi 802.11 b/g/n, dual-band
Bluetooth	5.0, A2DP, LE
Positioning	GPS, GLONASS, GALILEO, QZSS, BDS
NFC	Yes
Radio	No
USB	No

Technology	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International
4G bands	1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International
Speed	HSPA, LTE

Sensors	Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max
featuresother	Ultra Wideband (UWB) support

Colors	Starlight, Midnight, Blue, Green, Red
Models	A2473, A2474, A2475, A2476, A2477, A2478, watch6,6, watch6,7, watch6,8, watch6,9
SAR	1.10 W/kg (head)
SAR EU	0.70 W/kg (head) 1.50 W/kg (body)
Price	About 500 EUR

PhoneInsight Benchmark

17/100

Basic

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 14.2

Display 47.5

Battery 20.1

0.2%Popularity rank

760,899 hitsTotal views

Apple Watch Series 7 Aluminum

Launch

Platform

Display

Memory

Camera

Body

Battery

Sound

Comms

Network

Features

Misc

Full specifications

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