Screen size
U1100Winner: 1.8"+23%
Watch Ultimate Design Spring1.4"
Quick verdict
Watch Ultimate Design Spring leads the measured specs 9-3.
Measured wins
U1100
3
spec wins
Ties
3
equal specs
Watch Ultimate Design Spring
9
spec wins
Overall winner
Screen size
Technology
U1100
GSM / UMTS
Watch Ultimate Design Spring
HSPA / LTE
2G bands
U1100
GSM 900 / 1800 / 1900
Watch Ultimate Design Spring
N/A
3G bands
U1100
UMTS 2100
Watch Ultimate Design Spring
HSDPA 850 / 900 / 1900 / 2100
Speed
U1100
Yes, 384 kbps
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
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Watch Ultimate Design Spring
HSPA, LTE
4G bands
U1100
-
Watch Ultimate Design Spring
LTE
Announced
U1100
2008
Watch Ultimate Design Spring
2026, April 20
Status
U1100
Discontinued
Watch Ultimate Design Spring
Available. Released 2026, May 08
Dimensions
U1100
-
Watch Ultimate Design Spring
42.9 x 42.9 x 10.8 mm (1.69 x 1.69 x 0.43 in)
Weight
U1100
Watch Ultimate Design Spring
91 g (3.21 oz)
SIM
U1100
Mini-SIM
Watch Ultimate Design Spring
eSIM
Build
U1100
-
Watch Ultimate Design Spring
Sapphire crystal front, titanium alloy front shell, ceramic back
Other
U1100
-
Watch Ultimate Design Spring
99 natural diamonds (0.8 carats) 5 ATM (maximum depth 40 meters when diving) IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) ECG certified
Type
U1100
TFT, 65K colors
Watch Ultimate Design Spring
LTPO2 AMOLED, 3000 nits (peak)
Size
U1100
1.8 inches, 10.2 cm2
Watch Ultimate Design Spring
1.38 inches
Resolution
U1100
176 x 220 pixels (~157 ppi density)
Watch Ultimate Design Spring
466 x 466 pixels (~338 ppi density)
Protection
U1100
-
Watch Ultimate Design Spring
Sapphire crystal glass
Card slot
U1100
No
Watch Ultimate Design Spring
No
Phonebook
U1100
100 entries
Watch Ultimate Design Spring
-
Call records
U1100
10 dialed, 10 received, 10 missed calls
Watch Ultimate Design Spring
-
Other
U1100
SMS storage up to 50 entries
Watch Ultimate Design Spring
-
Other
U1100
No
Watch Ultimate Design Spring
No
Loudspeaker
U1100
Yes
Watch Ultimate Design Spring
Yes
3.5mm jack
U1100
No
Watch Ultimate Design Spring
No
WLAN
U1100
No
Watch Ultimate Design Spring
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
U1100
No
Watch Ultimate Design Spring
5.2, A2DP, LE
Positioning
U1100
No
Watch Ultimate Design Spring
GPS (L1+L5), GLONASS, GALILEO (L1+L5), QZSS (L1+L5), BDS
Radio
U1100
No
Watch Ultimate Design Spring
No
USB
U1100
2.0
Watch Ultimate Design Spring
No
NFC
U1100
-
Watch Ultimate Design Spring
Yes
Sensors
U1100
Watch Ultimate Design Spring
Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature), X-TAP
Messaging
U1100
SMS, MMS, Email
Watch Ultimate Design Spring
-
Browser
U1100
WAP 2.0/xHTML
Watch Ultimate Design Spring
-
Games
U1100
Yes
Watch Ultimate Design Spring
-
Java
U1100
No
Watch Ultimate Design Spring
-
Other
U1100
Predictive text input Organizer
Watch Ultimate Design Spring
Sleep apnea detection Heart Rate Variability (HRV) Arterial Stiffness Detection
Type
U1100
Removable Li-Ion 900 mAh battery
Watch Ultimate Design Spring
Li-Ion 540 mAh
Charging
U1100
-
Watch Ultimate Design Spring
Wireless
Colors
U1100
Black
Watch Ultimate Design Spring
Diamond Silver
Models
U1100
-
Watch Ultimate Design Spring
CHC-AL00
Price
U1100
-
Watch Ultimate Design Spring
About 4000 EUR
OS
U1100
-
Watch Ultimate Design Spring
HarmonyOS 6.1
Chipset
U1100
-
Watch Ultimate Design Spring
Kirin W80