Apple Watch Series 9, Aluminium Case (Certified Pre-Owned)

Year Introduced: 2023

Design and Materials:

• Sizes:
  • 45mm: Fits wrists 140–245mm.
    • Height: 45mm | Width: 38mm | Depth: 10.7mm
    • Weight:
      • Aluminum (GPS): 38.7g | Aluminum (GPS + Cellular): 39.0g
      • Stainless Steel: 51.5g
  • 41mm: Fits wrists 130–200mm.
    • Height: 41mm | Width: 35mm | Depth: 10.7mm
    • Weight:
      • Aluminum (GPS): 31.9g | Aluminum (GPS + Cellular): 32.1g
      • Stainless Steel: 42.3g

Performance and Features:

• Chip: S9 SiP with 64-bit dual-core processor and 4-core Neural Engine.
• Storage: 64GB capacity.
• Display:
  • Always-On Retina LTPO OLED display.
  • Brightness: Up to 2000 nits (maximum), 1 nit (minimum).
  • Aluminum cases: Ion-X front glass.
  • Stainless steel cases: Sapphire front crystal.
• Battery Life:
  • All-day use: Up to 18 hours.
  • Low Power Mode: Up to 36 hours.
  • Fast charging: 80% in ~45 minutes.
• Durability:
  • Water resistance: 50m (swimproof).
  • Dust resistance: IP6X.

Health and Fitness:

• Sensors:
  • Electrical heart sensor, third-gen optical heart sensor, temperature sensor, and ambient light sensor.
  • High-g accelerometer and gyroscope.
• Apps and Features:
  • ECG app², Heart Rate app, and Cycle Tracking app with ovulation estimates³.
  • Sleep monitoring, mindfulness, and noise level tracking.
  • Extensive workout tracking, including running, swimming, hiking, cycling, and more.

Connectivity:

• Wireless: Wi-Fi 4 (802.11n), Bluetooth 5.3, LTE, and UMTS.
• GPS: L1 GPS, GNSS, Galileo, BeiDou.
• Ultra Wideband: Second-gen Ultra Wideband chip.

Environmental Impact:

• Carbon Neutral: Select models with aluminum cases and Sport Loop bands.
• Recycled Materials:
  • 100% recycled aluminum, cobalt (battery), gold, rare earth elements, tin, and tungsten.
  • 47% recycled fiber packaging.
• Energy Efficiency: Meets California Energy Commission standards.

Included items: the smartwatch, a watch strap, the charging cable.