Apple

Apple Watch Ultra 3

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Apple's ruggedized flagship smartwatch, built for serious outdoor and sports use with a titanium case, 100m water resistance, and MIL-STD-810H durability certification. Features Dual-Frequency GPS, Emergency SOS via satellite, and up to 42 hours of battery life (72 hours in Low Power Mode) — the largest, brightest display in the Apple Watch lineup.

$695

Color

Case Size

49mm

Specifications

Network

Technology: GSM / HSPA / LTE / 5G (5G capable, not supported in all countries)
Speed: HSPA, LTE, 5G

Launch

Announced: 2025, September 09
Status: Available. Released 2025, September 19
Price at launch: $799

Body

Case size: 49mm
Dimensions: 49 x 44 x 12 mm
Weight: 61.3-61.6 g
Build: Titanium case (Natural or Black), sapphire crystal front, ceramic back (protected by sapphire crystal)
Controls: Digital Crown with haptic feedback, side button, orange Action button
SIM: eSIM
Water resistance: 100m (ISO 22810:2010 — swim, snorkel, scuba, high-speed water sports), IP6X dust resistant
Durability: MIL-STD-810H tested (altitude, temperature extremes, shock, vibration, immersion, freeze/thaw)

Display

Type: Always-On Retina LTPO3 OLED, 3000 nits (peak)
Size: 1.9 inches (larger and higher quality than previous Ultra generations)
Resolution: 422 x 514 pixels (~338 ppi density)
Protection: Flat sapphire crystal glass

Platform

OS: watchOS 26
Chipset: Apple S10
CPU: Dual-core
GPU: PowerVR

Memory

Internal: 64GB, 1GB RAM

Comms

WLAN: Wi-Fi 802.11 b/g/n
Bluetooth: 5.3
Positioning: Dual-frequency GPS, GLONASS, GALILEO, BDS, QZSS
NFC: Yes
Ultra Wideband: Yes

Features

Sensors: Accelerometer, gyro, altimeter, compass, heart rate, thermometer, barometer, ECG, blood oxygen
Sports: Real-time cycling metrics (speed/power/efficiency), automatic swim stroke detection, dive computer functions
Safety: Emergency SOS via satellite, Crash Detection, Fall Detection

Battery

Type: Li-Ion, 345 mAh
Life: Up to 42 hours normal use (8 hrs cellular + 34 hrs Bluetooth to iPhone), up to 72 hours in Low Power Mode
Charging: Qi wireless charging