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Samsung Gear S2

Samsung Gear S2

Samsung Gear S2 (SM-R720 / SM-R732), Circular Super AMOLED Display, Iconic Physical Rotating Bezel Navigation, Dual-Core 1.0 GHz Processor, Tizen OS, Heart Rate Monitor, Pedometer, IP68 Dust and Water Resistance, NFC for Samsung Pay, Bluetooth 4.1, Wi-Fi, Stainless Steel Metal Case Design.

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Overview

The Samsung Gear S2 (released in 2015) revolutionized Samsung's smartwatch lineup by introducing a sleek circular watch face paired with the iconic physical rotating bezel control mechanism, making menu navigation incredibly intuitive.

A comprehensive overview of its design, specifications, software, and pricing details includes:

1. Design and Build

  • Form Factor: Modern circular timepiece featuring a mechanical rotating bezel ring around the screen for seamless scrolling through apps and notifications.
  • Dimensions & Weight: 42.3 x 49.8 x 11.4 mm (Standard) / 39.9 x 43.6 x 11.4 mm (Classic); Weight: ~42g to 47g.
  • Materials: Stainless steel metal case body protected by Corning Gorilla Glass DX+.
  • Ingress Protection: IP68 certified dust and water resistance (protected against water immersion up to 1.5 meters for 30 minutes).

2. Display Technology

  • Main Display: Sharp circular 1.2-inch Super AMOLED display with vibrant colors and Always-On Watch capability.
  • Resolution: 360 x 360 pixels resolution (~302 ppi density).

3. Performance & Software

  • Processor: Powered by an efficient 1.0 GHz dual-core processor (Exynos 3270).
  • Storage & Memory: 512 MB RAM with 4 GB of internal flash storage.
  • Operating System: Tizen-based wearable platform optimized specifically for round displays and rotating bezel navigation.

4. Sensors and Key Features

  • Health Sensors: Optical heart rate monitor, accelerometer, gyroscope, and ambient light sensor.
  • Connectivity & Payments: Built-in NFC chip supporting Samsung Pay transactions, Wi-Fi, and Bluetooth 4.1.

5. Battery and Power Management

  • Battery Life: Up to 2 to 3 days of typical everyday usage (250 mAh rechargeable battery).
  • Charging: Wireless magnetic charging dock.

More images

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Technical Specifications

Building upon the foundational overview, this technical deep-dive specification sheet provides a granular look at the hardware architecture, display calibrations, sensor arrays, audio profiles, and environmental ratings of the Samsung Gear S2.

1. Detailed Dimensions and Build Quality

  • Dimensions: 42.3 x 49.8 x 11.4 mm; Weight: ~47.0g
  • Chassis & Materials: Stainless steel case housing with interchangeable watch straps.
  • Durability: IP68 dust and water resistant.

2. Advanced Display Specifications

  • Panel Type: Super AMOLED circular touch display with rotating bezel control.
  • Resolution: 360 x 360 pixels (~302 ppi density).

3. Processor and Memory Architecture

  • System on Chip (SoC): 1.0 GHz Dual-Core processor.
  • Memory & Storage: 512 MB RAM with 4 GB internal flash storage.

4. Comprehensive Sensor Suite

  • Sensors: Accelerometer, Gyroscope, Heart Rate Monitor, Barometer, Ambient Light.

5. Battery and Power Management

  • Battery Capacity: 250 mAh Lithium-ion battery.
  • Charging Method: Wireless magnetic charging dock.

6. Connectivity and Networking

  • Wireless: Wi-Fi 802.11 b/g/n, Bluetooth 4.1, NFC (for Samsung Pay).