Apple Watch Series SE 3 - OLED / 64GB / 44mm / Bluetooth / Wi-Fi / Small/Medium / Starlight Aluminium Case with Starlight Sport Band

Overview

The Apple Watch Series SE 3 is a powerful and affordable smartwatch featuring the fast S10 chip, an Always-On Retina OLED display, advanced health and safety features, and premium durability — all in a sleek 44mm Starlight aluminum design built to keep you active, healthy, and connected.

Specifications

• Brand: Apple

• Model: Apple Watch Series SE 3

• Product Type: Smart Watch

• Color: Starlight Aluminium Case with Starlight Sport Band

• Chip: S10 chip with 64-bit dual-core processor and 4-core Neural Engine

• Display Technology:

  • Always-On Retina display (OLED, LTPO)

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

  • Up to 1,000 nits peak brightness / 2 nits minimum

  • 326 ppi

• Internal Storage: 64GB

• 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

• 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 ovulation estimates

  • Heart Rate app & notifications (high/low, irregular rhythm)

  • Medications app

  • Mindfulness app

  • Noise app

  • Sleep app with sleep stages, sleep score, sleep apnea notifications

• Operating System: watchOS

• Safety Features: Emergency SOS, International emergency calling, Crash Detection, Fall Detection, Noise monitoring, Backtrack

• Durability: Water resistance up to 50m (swimproof)

• Accessibility: Built-in features for vision, mobility, hearing & cognitive support

• Compatibility: iPhone 11 or later (including iPhone SE 2nd gen or later) with iOS 26 or later

• Dimensions: 38 × 10.7 × 44 mm

• Weight: 32.9 g