Apple Watch Series SE 3 - OLED / 64GB / 44mm / Bluetooth / Wi-Fi / Small/Medium / Midnight Aluminium Case With Midnight Sports Band

Overview

The Apple Watch Series SE 3 combines powerful performance with essential health, fitness, and safety features in a sleek Midnight Aluminium design. Equipped with the advanced S10 chip, an Always-On Retina display, 64GB of storage, and a wide range of sensors, it delivers a smooth and responsive experience. With comprehensive wellness tracking, swimproof durability, and seamless connectivity via Wi-Fi and Bluetooth 5.3, it’s the perfect smartwatch for staying active, informed, and connected throughout the day.

Specifications

• Brand: Apple

• Model: Apple Watch Series SE 3

• Product Type: Smart Watch

• Color: Midnight Aluminium Case with Midnight Sport Band

Chip

• S10 chip with 64-bit dual-core processor

• 4-core Neural Engine

Display Technology

• Always-On Retina display with OLED and LTPO

• Tough Ion-X front glass with 4× crack resistance

• Up to 1,000 nits peak brightness

• 2 nits minimum brightness

• 326 ppi (pixels per inch)

Internal Storage

• 64GB

Size & Fit

• Case Size: 44mm

• Wrist Size: 140–245 mm

• Band Size: Small/Medium

Connectivity

• Wi-Fi (802.11n)

• Bluetooth 5.3

Controls

• Digital Crown with haptic feedback

• Side button

• Double tap and wrist-flick gestures

• Siri with on-device processing

Hardware & Buttons

• Digital Crown

• Microphone

• Side button

• Speaker / air vent

• Optical heart sensor

Audio

• Speaker

• Microphone

• Media playback support

Sensors

• Second-generation optical heart sensor

• Temperature sensor

• Compass

• Always-on altimeter

• High-g accelerometer

• High dynamic range gyroscope

• Ambient light sensor

Health & Wellness Features

• Cycle Tracking with retrospective ovulation estimates

• Heart Rate app

• High and low heart rate notifications

• Irregular rhythm notifications

• Medications app

• Mindfulness app

• Noise app

• Sleep app with sleep stages and sleep score

• Sleep apnea notifications

Operating System

• watchOS – designed to keep you active, healthy, safe, and connected

Safety

• Emergency SOS

• International emergency calling

• Crash Detection

• Fall Detection

• Noise monitoring

• Backtrack

Durability

• Water resistance 50 m (swimproof)

Accessibility

• Built-in features supporting vision, mobility, hearing, and cognitive accessibility

Compatibility

• Requires iPhone 11 or later (including iPhone SE 2nd gen or later)

• Requires iOS 26 or later

Dimensions & Weight

• Dimensions: 38 × 10.7 × 44 mm

• Weight: 32.9 g