Screen size
Watch Series 1 Aluminum 42mm1.7"
Watch Series 11 AluminumWinner: 2.0"+16%
Quick verdict
Watch Series 11 Aluminum leads the measured specs 9-1.
Measured wins
Watch Series 1 Aluminum 42mm
1
spec wins
Ties
3
equal specs
Watch Series 11 Aluminum
9
spec wins
Overall winner
Screen size
Technology
Watch Series 1 Aluminum 42mm
No cellular connectivity
Watch Series 11 Aluminum
GSM / HSPA / LTE / 5G
2G bands
Watch Series 1 Aluminum 42mm
N/A
Watch Series 11 Aluminum
GSM 850 / 900 / 1800 / 1900
GPRS
Watch Series 1 Aluminum 42mm
No
Watch Series 11 Aluminum
-
EDGE
Watch Series 1 Aluminum 42mm
No
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
USB
5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Watch Series 11 Aluminum
-
3G bands
Watch Series 1 Aluminum 42mm
-
Watch Series 11 Aluminum
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK, HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
4G bands
Watch Series 1 Aluminum 42mm
-
Watch Series 11 Aluminum
1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK, 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
5G bands
Watch Series 1 Aluminum 42mm
-
Watch Series 11 Aluminum
SA/NSA
Speed
Watch Series 1 Aluminum 42mm
-
Watch Series 11 Aluminum
HSPA, LTE, 5G
Announced
Watch Series 1 Aluminum 42mm
2016, September. Released 2016, December
Watch Series 11 Aluminum
2025, September 09
Status
Watch Series 1 Aluminum 42mm
Discontinued
Watch Series 11 Aluminum
Available. Released 2025, September 19
Dimensions
Watch Series 1 Aluminum 42mm
42.5 x 36.4 x 10.5 mm (1.67 x 1.43 x 0.41 in)
Watch Series 11 Aluminum
46 x 39 x 9.7 mm (1.81 x 1.54 x 0.38 in)
Weight
Watch Series 1 Aluminum 42mm
30 g body (1.06 oz)
Watch Series 11 Aluminum
29.7 g (42mm), 36.9 g (46mm) (1.06 oz)
Build
Watch Series 1 Aluminum 42mm
Glass front, composite plastic back, aluminum frame
Watch Series 11 Aluminum
Glass front, ceramic/sapphire crystal back, aluminum frame
SIM
Watch Series 1 Aluminum 42mm
No
Watch Series 11 Aluminum
eSIM
Other
Watch Series 1 Aluminum 42mm
IPX7 water resistant up to 1 meter and 30 minutes
Watch Series 11 Aluminum
IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models) Depth gauge to 6m
Type
Watch Series 1 Aluminum 42mm
Retina OLED, 450 nits (peak)
Watch Series 11 Aluminum
Retina LTPO3 OLED, 2000 nits (peak)
Size
Watch Series 1 Aluminum 42mm
1.65 inches
Watch Series 11 Aluminum
1.96 inches
Resolution
Watch Series 1 Aluminum 42mm
390 x 312 pixels (~303 ppi density)
Watch Series 11 Aluminum
496 x 416 pixels (~330 ppi density)
Protection
Watch Series 1 Aluminum 42mm
Ion-X strengthened glass
Watch Series 11 Aluminum
Ion-X strengthened glass (2025 gen)
Other
Watch Series 1 Aluminum 42mm
3D Touch display
Watch Series 11 Aluminum
Wide-angle OLED
OS
Watch Series 1 Aluminum 42mm
watchOS 3.0, upgradable to watchOS 6.2.8
Watch Series 11 Aluminum
watchOS 26, upgradable to watchOS 26.2.1
Chipset
Watch Series 1 Aluminum 42mm
Apple S1P (28 nm)
Watch Series 11 Aluminum
Apple S10
CPU
Watch Series 1 Aluminum 42mm
Dual-core 520 MHz Cortex-A7
Watch Series 11 Aluminum
Dual-core
GPU
Watch Series 1 Aluminum 42mm
PowerVR G6200
Watch Series 11 Aluminum
PowerVR
Card slot
Watch Series 1 Aluminum 42mm
No
Watch Series 11 Aluminum
No
Internal
Watch Series 1 Aluminum 42mm
8GB 512MB RAM
Watch Series 11 Aluminum
64GB
Other
Watch Series 1 Aluminum 42mm
No
Watch Series 11 Aluminum
No
Loudspeaker
Watch Series 1 Aluminum 42mm
Yes
Watch Series 11 Aluminum
Yes
3.5mm jack
Watch Series 1 Aluminum 42mm
No
Watch Series 11 Aluminum
No
WLAN
Watch Series 1 Aluminum 42mm
Wi-Fi 802.11 b/g/n
Watch Series 11 Aluminum
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
Watch Series 1 Aluminum 42mm
4.0, LE
Watch Series 11 Aluminum
5.3, A2DP, LE
Positioning
Watch Series 1 Aluminum 42mm
No
Watch Series 11 Aluminum
GPS, GLONASS, GALILEO, QZSS, BDS
NFC
Watch Series 1 Aluminum 42mm
Yes
Watch Series 11 Aluminum
Yes
Radio
Watch Series 1 Aluminum 42mm
No
Watch Series 11 Aluminum
No
USB
Watch Series 1 Aluminum 42mm
No
Watch Series 11 Aluminum
No
Sensors
Watch Series 1 Aluminum 42mm
Accelerometer, gyro, heart rate
Watch Series 11 Aluminum
Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)
Other
Watch Series 1 Aluminum 42mm
Natural language commands and dictation
Watch Series 11 Aluminum
Temperature sensing (0.01˚ accuracy) Ultra Wideband (UWB) support (gen2 chip) Media playback
Type
Watch Series 1 Aluminum 42mm
Li-Ion 250 mAh (0.94 Wh), non-removable
Watch Series 11 Aluminum
Li-Ion
Charging
Watch Series 1 Aluminum 42mm
Wireless
Watch Series 11 Aluminum
Wireless, 0-80% in 30 min
Colors
Watch Series 1 Aluminum 42mm
Case colors: silver, gold, rose gold, gray Band colors: brown, white, black, blue Band types: sport
Watch Series 11 Aluminum
Jet Black, Space Gray, Rose Gold, Silver
Models
Watch Series 1 Aluminum 42mm
A1803
Watch Series 11 Aluminum
A3333, A3331, A3335, A3337, A3450, A3451, A3452, A3453
Price
Watch Series 1 Aluminum 42mm
About 300 EUR
Watch Series 11 Aluminum
€ 379.00
SAR
Watch Series 1 Aluminum 42mm
-
Watch Series 11 Aluminum
0.42 W/kg (head)
SAR EU
Watch Series 1 Aluminum 42mm
-
Watch Series 11 Aluminum
0.11 W/kg (head)