Screen size
Watch Edition Series 71.9"
Watch Series 12 AluminumWinner: 2.0"+3.1%
Quick verdict
Watch Series 12 Aluminum leads the measured specs 8-3.
Measured wins
Watch Edition Series 7
3
spec wins
Ties
4
equal specs
Watch Series 12 Aluminum
8
spec wins
Overall winner
Screen size
Technology
Watch Edition Series 7
GSM / HSPA / LTE
Watch Series 12 Aluminum
GSM / HSPA / LTE / 5G
2G bands
Watch Edition Series 7
GSM 850 / 900 / 1800 / 1900
Watch Series 12 Aluminum
GSM 850 / 900 / 1800 / 1900
3G bands
Watch Edition Series 7
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
Watch Series 12 Aluminum
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Watch Edition Series 7
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, 1, 2, 3, 4, 5, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Watch Series 12 Aluminum
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71
Speed
Watch Edition Series 7
HSPA, LTE
Watch Series 12 Aluminum
HSPA, LTE, 5G
5G bands
Watch Edition Series 7
-
Watch Series 12 Aluminum
1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 38, 40, 41, 66, 71 SA/NSA
Announced
Watch Edition Series 7
2021, September 14
Watch Series 12 Aluminum
2026, September 09
Status
Watch Edition Series 7
Available. Released 2021, October 15
Watch Series 12 Aluminum
Available. Released 2026, September 18
Dimensions
Watch Edition Series 7
45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)
Watch Series 12 Aluminum
46 x 40 x 9.7 mm (1.81 x 1.57 x 0.38 in)
Weight
Watch Edition Series 7
37 g (41mm), 45.1 g (45mm) (1.31 oz)
Watch Series 12 Aluminum
31.5/32.2/38.6/39.5 g (1.13 oz)
Build
Watch Edition Series 7
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame
Watch Series 12 Aluminum
Glass front (Ceramic Shield 2), zirconia back, aluminum case
SIM
Watch Edition Series 7
eSIM
Watch Series 12 Aluminum
eSIM
Other
Watch Edition Series 7
IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models)
Watch Series 12 Aluminum
IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models) Depth gauge to 6m
Type
Watch Edition Series 7
Retina LTPO OLED, 1000 nits (peak)
Watch Series 12 Aluminum
Retina LTPO3 OLED, 2000 nits (peak)
Size
Watch Edition Series 7
1.9 inches
Watch Series 12 Aluminum
1.96 inches
Resolution
Watch Edition Series 7
484 x 396 pixels (~326 ppi density)
Watch Series 12 Aluminum
496 x 416 pixels (~326 ppi density)
Protection
Watch Edition Series 7
Sapphire crystal glass
Watch Series 12 Aluminum
Ceramic Shield 2
Other
Watch Edition Series 7
-
Watch Series 12 Aluminum
Wide-angle OLED
OS
Watch Edition Series 7
watchOS 8.0, upgradable to watchOS 26.2.1
Watch Series 12 Aluminum
watchOS 27
Chipset
Watch Edition Series 7
Apple S7
Watch Series 12 Aluminum
Apple S11
CPU
Watch Edition Series 7
Dual-core
Watch Series 12 Aluminum
Dual-core
GPU
Watch Edition Series 7
PowerVR
Watch Series 12 Aluminum
PowerVR
Card slot
Watch Edition Series 7
No
Watch Series 12 Aluminum
No
Internal
Watch Edition Series 7
32GB 1GB RAM
Watch Series 12 Aluminum
64GB
Other
Watch Edition Series 7
No
Watch Series 12 Aluminum
No
Loudspeaker
Watch Edition Series 7
Yes
Watch Series 12 Aluminum
Yes
3.5mm jack
Watch Edition Series 7
No
Watch Series 12 Aluminum
No
WLAN
Watch Edition Series 7
Wi-Fi 802.11 b/g/n, dual-band
Watch Series 12 Aluminum
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
Watch Edition Series 7
5.0, A2DP, LE
Watch Series 12 Aluminum
5.3, A2DP, LE
Positioning
Watch Edition Series 7
GPS, GLONASS, GALILEO, QZSS, BDS
Watch Series 12 Aluminum
GPS, GLONASS, GALILEO, QZSS, BDS
NFC
Watch Edition Series 7
Yes
Watch Series 12 Aluminum
Yes
Radio
Watch Edition Series 7
No
Watch Series 12 Aluminum
No
USB
Watch Edition Series 7
No
Watch Series 12 Aluminum
No
Sensors
Watch Edition Series 7
Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max
Watch Series 12 Aluminum
Accelerometer, gyro, always-on heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)
Other
Watch Edition Series 7
Ultra Wideband (UWB) support
Watch Series 12 Aluminum
Health Sensing System: third‑generation electrical heart sensor, always‑on optical heart sensor, blood oxygen sensor, temperature sensor Temperature sensing (0.01˚ accuracy) Ultra Wideband (UWB) support (gen2 chip) Media playback
Type
Watch Edition Series 7
Li-Ion 309 mAh (1.19 Wh)
Watch Series 12 Aluminum
Li-Ion
Charging
Watch Edition Series 7
Wireless, 0-80% in 45 min
Watch Series 12 Aluminum
Wireless, 0-80% in 30 min
Colors
Watch Edition Series 7
Space Black, Titanium
Watch Series 12 Aluminum
Dark Bronze, Light Gold, Black, Space Gray
Models
Watch Edition Series 7
A2475, A2476, A2477, A2478, watch6,8, watch6,9
Watch Series 12 Aluminum
A3582, A3587
SAR
Watch Edition Series 7
1.10 W/kg (head)
Watch Series 12 Aluminum
-
SAR EU
Watch Edition Series 7
0.70 W/kg (head) 1.50 W/kg (body)
Watch Series 12 Aluminum
-
Price
Watch Edition Series 7
About 830 EUR
Watch Series 12 Aluminum
€ 439.00