Before You Buy an Apple Watch What to Know

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Before You Buy an Apple Watch What to Know

Doc breaks down all the reasons he bought an Apple Watch Series 9 and helps you decide if you should buy one and what to know before you purchase.  

Buying an Apple Watch Video

Before You Buy an Apple Watch

1- Make sure it is cellular and GPS series 9.

2- There are TWO versions when you get to the link below. An aluminum and stainless steel. Doc bought the stainless steel but aluminum will work for most and is quite a bit cheaper. 

3- There are two face sizes. A 41 mm and a 45 mm Doc bought the 41 mm and is pleased with it.

Below is the 41 mm Aluminum Apple watch

Below is the  41 mm stainless steel Apple watch

The Protective Watch Band Doc Bought

Make sure you select the right wrist size and face size 41mm or 45mm


How to set up the Apple Watch

One the better videos I found on setting up the watch. 

Full Details From the Apple Website



  • Height: 41mm
  • Width: 35mm
  • Depth: 10.7mm
  • Weight (Aluminum, GPS): 31.9g
  • Weight (Aluminum, GPS + Cellular): 32.1g
  • Weight (Stainless Steel): 42.3g


  • Height: 45mm
  • Width: 38mm
  • Depth: 10.7mm
  • Weight (Aluminum, GPS): 38.7g
  • Weight (Aluminum, GPS + Cellular): 39.0g
  • Weight (Stainless Steel): 51.5g


  • 45mm or 41mm case size
  • Aluminum or stainless steel
  • Speaker
  • Microphone


  • Digital Crown with haptic feedback
  • Side button
  • Double tap gesture
  • On-Device Siri^


  • Always-On Retina LTPO OLED display
  • Edge-to-edge display
  • Ion-X front glass (Aluminum cases)
  • Sapphire front crystal (Stainless steel cases)
  • Up to 2000 nits maximum brightness
  • 1 nit minimum brightness


  • S9 SiP with 64-bit dual-core processor
  • 4-core Apple Neural Engine
  • 64GB capacity


  • Blood oxygen sensor and app1
  • Electrical heart sensor and ECG app2
  • Third-generation optical heart sensor
  • High and low heart rate notifications2
  • Irregular rhythm notifications3
  • Sleep stages
  • Temperature sensing4
  • Compass with Waypoints and Backtrack
  • Always-on altimeter
  • High-g accelerometer
  • High dynamic range gyroscope
  • Ambient light sensor


  • Emergency SOS5
  • International emergency calling6
  • Crash Detection5
  • Fall Detection5

Splash, Water and Dust:

  • Water resistance 50m (swim proof)7
  • Dust resistance IP6X10

Connectivity and Communication:

  • L1 GPS, GNSS, Galileo, and BeiDou
  • LTE and UMTS8
  • Wi-Fi 4 (802.11n)
  • Bluetooth 5.3
  • Second-generation Ultra Wideband chip11
  • Apple Pay
  • GymKit

Power and Battery Life:

  • Built-in rechargeable lithium-ion battery
  • Up to 18 hours normal use9
  • Up to 36 hours in Low Power Mode9
  • USB-C magnetic fast charging cable

Environmental Requirements:

  • Operational temperature: 32°F to 95°F (0°C to 35°C)
  • Nonoperational storage temperature: 4°F to 113°F (-20° to 45°C)
  • Relative humidity: 5% to 90% noncondensing
  • Operating Altitude: 0 feet to 10,000 feet (0 m to 3000 m)

In the Box

  • Apple Watch Series 9
  • Band/Loop
  • Apple Watch Magnetic Fast Charger to USB-C Cable (1 m)

The case materials and the band types would be based on your selection

^ Coming later this year.

  1. Blood Oxygen app measurements are not intended for medical use, including self-diagnosis or consultation with a doctor, and are only designed for general fitness and wellness purposes.
  2. ECG app is available on Apple Watch Series 4 and later (excluding Apple Watch SE) and can generate an ECG similar to a single-lead electrocardiogram. Intended for use by people 22 years old and over.
  3. Irregular rhythm notification requires the latest version of watchOS and iOS. It is not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation (AFib).
  4. The temperature sensing feature is not a medical device and not intended for use in medical diagnosis, treatment, or for any other medical purpose.
  5. Emergency SOS requires a cellular connection or Wi-Fi calling with an internet connection from your Apple Watch or nearby iPhone.
  6. The international emergency calling feature requires an Apple Watch Ultra 2 (Cellular), Apple Watch Series 9 (GPS + Cellular), or Apple Watch SE (GPS + Cellular) model. For a list of supported countries and regions, see
  7. Apple Watch Series 9 has a water resistance rating of 50 meters under ISO standard 22810:2010. This means that it may be used for shallow-water activities like swimming in a pool or ocean. However, Apple Watch Series 9 should not be used for scuba diving, waterskiing, or other activities involving high-velocity water or submersion below shallow depth. Water resistance is not a permanent condition and can diminish over time. For additional information see
  8. Wireless service plan required for cellular service. Contact your service provider for more details. Connection may vary based on network availability. Check for participating wireless carriers and eligibility. See for additional setup instructions.
  9. All-day battery life is based on the following use: 90 time checks, 90 notifications, 45 minutes of app use, and a 60-minute workout with music playback from Apple Watch via Bluetooth, over the course of 18 hours; Apple Watch Series 9 (GPS) usage includes connection to iPhone via Bluetooth during the entire 18-hour test; Apple Watch Series 9 (GPS + Cellular) usage includes a total of 4 hours of LTE connection and 14 hours of connection to iPhone via Bluetooth over the course of 18 hours. Battery life in Low Power Mode is based on the following use: 180 time checks, 180 notifications, 90 minutes of app use, and a 60-minute workout with music playback from Apple Watch via Bluetooth, over the course of 36 hours; Apple Watch Series 9 (GPS) usage includes connection to iPhone via Bluetooth during the entire 36-hour test; Apple Watch Series 9 (GPS + Cellular) usage includes on-demand LTE connection and 28 hours of connection to iPhone via Bluetooth over the course of 36 hours. Testing conducted by Apple in August 2023 using preproduction Apple Watch Series 9 (GPS) and Apple Watch Series 9 (GPS + Cellular), each paired with an iPhone; all devices tested with prerelease software. Battery life varies by use, configuration, cellular network, signal strength, and many other factors; actual results will vary.
  10. Apple Watch Series 9 is rated IP6X dust resistant.
  11. Ultra Wideband availability varies by region.

Apple Watch Ultra 2, Apple Watch Series 9, and Apple Watch SE require iPhone Xs or later with iOS 17 or later.
Features are subject to change. Some features, applications, and services may not be available in all regions or all languages.


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