Apple Watch Series 4 Serial Number Lookup

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Lookup Watch Series 4 by Serial Number

Apple Watch Series 4, is a very popular smartwatch, which a lot of unique features, use our Apple Serial Number Decoder to find all technical details about this and any other Apple device. All you need to do is to open the site and enter the correct Apple Watch Series 4 Serial Number or IMEI number and click on the magnifying glass icon. Then immediately you will see a complete list of all technical specifications of Apple Watch Series 4.

It is free to use and you can check every Apple product ever made including even the oldest and rarest devices. See hardware and software specifications of iPhone, MacBook, iPod, iPad, Apple Watch, and many more. Use an online Apple Serial Number Checker and find what is hidden in your Apple Watch Series 4. You will get info about case size and diameter, case material, battery capacity, possible colors, connectivity possibilities, and software features including a version of the operating system. Apple Serial Number Lookup on is your best source of knowledge about Apple products.

Apple Watch Series 4 Technical Specifications

Color GPS + Cellular

Stainless Steel

  • Silver
  • Space Black (DLC)
  • Gold (PVD)


  • Silver
  • Space Gray
  • Gold



  • Silver
  • Space Gray
  • Gold

Apple Watch Nike+ available in silver and space gray aluminum.
Apple Watch Hermès available in polished stainless steel.

  • GPS, GLONASS, Galileo, and QZSS
  • Barometric altimeter
  • Water resistant (50 meters)
  • Electrical heart sensor
  • Optical heart sensor
  • Improved accelerometer (up to 32 g-forces)
  • Improved gyroscope
  • Ambient light sensor
  • Speaker (50 percent louder)
  • Microphone
  • Apple Pay
  • GymKit
  • Capacity 16GB
  • Ceramic and sapphire crystal back
Display 44mm

  • 368 by 448 pixels
  • 977 sq mm display area


  • 324 by 394 pixels
  • 759 sq mm display area

LTPO OLED Retina display with Force Touch

  • 1000 nits brightness
  • S4 with 64-bit dual-core processor
  • W3
  • LTE and UMTS (GPS + Cellular models)
  • Wi-Fi
  • 802.11b/g/n 2.4GHz
  • Bluetooth 5.0
  • Built-in rechargeable lithium-ion battery (Up to 18 hours)
  • Magnetic charging cable
  • USB power adapter
Case Size Stainless Steel – 40mm

  • Height: 40mm
  • Width: 34mm
  • Depth: 10.7mm
  • Case Weight: 39.8g

Stainless Steel – 44mm

  • Height: 44mm
  • Width: 38mm
  • Depth: 10.7mm
  • Case Weight: 47.9g

Aluminum – 40mm

  • Height: 40mm
  • Width: 34mm
  • Depth: 10.7mm
  • Case Weight: 30.1g

Aluminum – 44mm

  • Weight: 44mm
  • Width: 38mm
  • Depth: 10.7mm
  • Case Weight: 36.7g

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