| Body |
Dimensions Weight • 61.8 g (2.17 oz) Color • Case: Black Titanium • Band: Dark Green Alpine Loop Size • Case: 49 mm (1.92″) • Band: Fits 130 mm - 210 mm (5.11″ - 8.26″) wrists Build • Sapphire crystal front, ceramic/sapphire crystal back, titanium frame Model Number • MX4R3ZP/A Release Year • 2024 |
| SIM |
• eSIM |
| Durability | • IP6X certified • 100m water resistant (WR100) • 40m swimproof/diving (EN13319) • MIL-STD 810H certified • ECG certified (region dependent SW application; HW available on all models) |
| Network |
Technology • GSM / HSPA / LTE 2G Bands • GSM 850 / 900 / 1800 / 1900 3G Bands • HSDPA 850 / 900 / 1700 (AWS) / 1900 / 2100 4G Bands • 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 Speed • HSPA, LTE |
| Buttons & Hardware |
• 1: Microphone • 2: Speaker • 3: Customizable Action button • 4: Siren/Speaker • 5: GPS antennas • 6: Microphone • 7: Side button • 8: Microphone • 9: Digital Crown • 10: Depth gauge/water temperature sensor  |
| Controls |
• Customizable Action button • Digital Crown with haptic feedback • Side button • Double tap gesture • Siri with on‑device processing |
| Display |
Type • Retina LTPO OLED, 3000 nits (peak) Size • 1.92 inches Resolution • 502 x 410 pixels (~338 ppi density) Protection • Sapphire crystal glass • Always-On display |
| Platform |
Platform • watchOS 11 Chipset • Apple S9 CPU • Dual-core GPU • PowerVR |
| Memory |
Card slot • No Storage • 64GB RAM • 1GB |
| Audio |
Loudspeaker • Yes, with dual speakers (86-decibel) Microphone • Three-microphone array with beamforming and wind noise mitigation 3.5mm jack • No |
| Connectivity |
WLAN • Wi-Fi 802.11 b/g/n, dual-band Bluetooth • 5.3, A2DP, LE Positioning • GPS (L1+L5), GLONASS, GALILEO, BDS NFC • Yes Radio • No USB • No |
| Sensors |
• Electrical heart sensor • Third-generation optical heart sensor • Temperature sensor • Depth gauge ±1m accuracy • Water temperature sensor • Compass • Always-on altimeter • High-g accelerometer • High dynamic range gyroscope • Ambient light sensor |
| Health & Wellness |
• ECG app • Cycle Tracking app with retrospective ovulation estimates • Heart Rate app • High and low heart rate notifications • Irregular rhythm notifications • Medications app • Mindfulness app with state of mind tracking • Noise app • Sleep app including sleep stages • Sleep apnea notifications |
| Workouts & Activity | Running • Custom workouts • Customizable Workout Views • Training load • Heart Rate Zones • Race Route • Pacer • Precision Start using Action button • Stride length, ground contact time, and vertical oscillation • Automatic track detection • Multisport workout Hiking • Compass with bearing, incline, elevation, and coordinates • Custom waypoints • Automatically generated waypoints to cellular connectivity • Backtrack GPS data • Offline maps with custom route creation • Elevation alerts Cycling • Average speed, elevation gained, and distance • Connection to cycling accessories via Bluetooth • Functional Threshold Power • Power Zones • Cadence • Live Activity on iPhone Swimming • Custom workout for Pool Swim • Splits and auto sets • SWOLF score • Stroke type tracking • Automatic stroke detection • Kickboard detection • Average pace, total distance, and laps Diving • Recreational dive to 40m • Dive computer app (available on the App Store) • Automatic launch at 1m • Current and maximum depth duration • GPS entry and exit points • Depth gauge • Water temperature sensor More Workouts • Skiing • Snowboarding • Outdoor Rowing • Paddling • Golf • Walk • Elliptical • Rower • Stair Stepper • HIIT • Yoga • Functional Strength Training • Dance • Cooldown • Core Training • Pilates • Tai Chi • Wheelchair • Kickboxing • Multisport and more... |
| Safety |
• Emergency SOS9 • International emergency calling • Siren • Crash Detection • Fall Detection • Last Emergency Call Availability Waypoint • Noise Monitoring • Backtrack |
| Battery |
Type • Li-Ion 564 mAh, non-removable Charging • Wireless, 0-80% in 60 min (advertised) |
| In the Box |
• 1 x Apple Watch Ultra 2 49mm • 1 x Dark Green Alpine Loop • 1 x 1M Magnetic Fast Charger to USB-C Cable • 1 x Documentation |
