Apple Watch SE 3 GPS + Cellular Aluminium Case with Sport Band

Physical & Display

• Case: Aluminium (finishes include Midnight, Starlight, etc.)
• Case dimensions (40 mm version): ~40 mm × 34 mm × 10.7 mm
• Display: Always-On Retina OLED (LTPO) with Ion‑X strengthened glass
• Display resolution: 324 × 394 pixels (~759 mm² display area)
• Strap / Band: Sport Band, size S/M (fits wrists ~130–180 mm)

Hardware & Performance

• Chip: S10 dual-core 64-bit processor with 4-core Neural Engine
• Storage: 64 GB internal

Battery & Power

• Battery life: up to ~18 hours of typical use
• Fast charging supported
• Wireless magnetic charging

Sensors & Health / Fitness / Wellness

• Second-generation optical heart sensor
• Temperature sensor (skin temperature sensing)
• Compass
• Always-on altimeter
• High-g accelerometer
• High dynamic-range gyroscope
• Ambient light sensor

Health & fitness features

• Heart rate monitoring
• Sleep tracking (including sleep stages, sleep-apnea notifications)
• Cycle Tracking (with ovulation estimates)
• Medications, Mindfulness, Noise monitoring
• Activity/workout tracking (running, walking, general fitness)

Connectivity & Communication

• GPS + Cellular (phone-free calls/data with supported plan)
• Wi-Fi, Bluetooth 5.3, NFC
• Controls: Digital Crown with haptic feedback, side button, gesture support, Siri voice assistant

Durability & Water Resistance

• Water resistance: rated to 50 metres (suitable for swimming and water exposure)