Manufacturer Model Number
A3281
Supported Host Device OS
iOS 26 or later
Notifications
Calendar, SMS, Email, applications, high and low heart rate, irregular rhythm, sleep apnea notifications, backtrack, hypertension
Navigation
GPS/GLONASS/Galileo/BeiDou/QZSS receiver
Activity / Sport
Golf, running, swimming, ski, cycling, hiking, walking, yoga, snowboarding, strength training, elliptical, multisport, dance, stair stepping, pilates, wheelchair, diving, high-intensity interval training (HIIT), outdoor rowing, paddling, rowing machine, cooldown, core training, tai chi, kickboxing, snorkeling
Tracking Data
Distance, time, calories burned, activity, sleep activity, heart rate, elevation, blood oxygen saturation, pace, sleep stages, noise level, menstrual cycle, temperature, ECG, sleep quality score, ovulation phase, mindfulness, depth
Payment Technology
Apple Pay
Audio Input
Three-microphone array
Audio Output
Dual speakers
Wearing Style
Watch style
Feedback Type
Audio alert, vibration alert, visual interface, voice (intelligent assistant)
Sensors
Ambient light sensor, digital compass, depth gauge, electrical heart sensor, blood oxygen sensor, water temperature sensor, optical heart sensor (3d gen), always-on altimeter, temperature sensor, high-g accelerometer, gyroscope with high dynamic range
Features
Call handling, store & play music, Fall detection, Emergency SOS, medication reminder, heart rate zones, Dual-band navigation, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, fast charge, brightness: 3000 nits, track detection, siren, last emergency call availability waypoint
Mobile Broadband Generation
5G
Service Provider
Not specified
SIM Card Type
Electronic SIM card (e-SIM)
Type
Retina LTPO3 OLED - colour
Resolution
422 x 514 pixels
Protection
Sapphire glass
Always On Display (AOD)
Yes
Wireless Interface
LTE, NFC, IEEE 802.11n, Ultra-Wideband (UWB), Bluetooth 5.3
Type
Touch sensitive screen, customisable action button, side button, double tap gesture, wrist flick gesture
Features
Second-generation Ultra Wideband chip, 4-core Neural Engine
Run Time (Up To)
42 hours
Run Time Details
Normal use - up to 42 hour(s) ¦ Low power mode - up to 72 hour(s) ¦ Outdoor workout with full GPS and heart rate readings - up to 14 hour(s) ¦ Outdoor workout with GPS and LTE in Low Power Mode with fewer GPS and heart rate readings - up to 35 hour(s) ¦ Outdoor workout with GPS and LTE in Low Power Mode with full GPS and heart rate readings - up to 20 hour(s)
Crown Type
Digital with haptic feedback
Case Back
Sapphire crystal and ceramic back
Case Details
Natural titanium
Fits Wrist with Circumference
130-180 mm
Details
Case only: 61.6 g
Internet of Things (IoT) Compatible
Yes
Intelligent Assistant
Siri
Preloaded Software
Music, GymKit, Find My, Oceanic+, Depth app, Torch
Body Material
Titanium (grade 5)
Protection
Water-resistant, dust-resistant
Compliant Standards
IEC 60529 IP6X, BFR-free, PVC-free, Mercury-free, MIL-STD-810H, EN13319, Arsenic-free, ISO 22810:2010
Included Accessories
Magnetic fast charger to USB-C cable (1 m)
Max Depth of Water Resistance
100 m
Min Operating Temperature
-20 °C
Max Operating Temperature
55 °C
Humidity Range Operating
5 - 90% RH (non-condensing)
Max Altitude Operating
9000 m