How To Identify Your Apple Watch by the Model Number

Jonathan Kao

Apple Watch Series 9 Back

When you want to identify your Apple Watch, knowing the model number is crucial. Apple Watch comes in various models and generations, and each has specific features and updates. If you want to find out the exact model of your Apple Watch, you can easily check it using your paired iPhone. Knowing your model number is important as it provides you with important details such as the year it was released, the type of collection it belongs to, and technical specifications. This information can be particularly useful when you need support or are planning to upgrade your device.

To find out the model number, you need to follow a few simple steps on your iPhone. Open the Watch app and go to the ‘My Watch’ tab. From there, select ‘General’ and then tap on ‘About’. You will see a list of information that includes a ‘Model’ field. Initially, this field displays a part number that starts with ‘M’. However, by tapping on this model field, you will reveal a different number that starts with ‘A’. This number is the model number of your Apple Watch, which will allow you to determine the specific details of your device quickly.

How to Find More Information About Your Apple Watch

Every Apple Watch has a model number. This model number will help you figure out important information, like the specific Apple Watch series you own. Here’s how to find your Apple Watch model number and what to do with it.

How to find your Apple Watch model number

There are two simple ways to find your model number:

1. In the Apple Watch app

  • Open the Apple Watch app on the iPhone that’s paired with your Apple Watch.
  • Go to the “My Watch” tab.
  • Tap “General,” then “About.”
  • You will see a field labeled “Model.” It should start with the letter “M.”
  • Tap the “Model” field to see a five-digit model number that begins with “A.”

2. On the back of the watch

  • You may also find the model number etched on the back of the Apple Watch.

How to use your model number

The five-digit model number is what tells you what Apple Watch series you have. You can compare it to Apple’s official list to get more information (

Here’s a quick table explaining the first digit of Apple Watch model numbers to help you get started:


SeriesStandard ScreenLarge Screen
Apple Watch Series 1A1802 (38mm)A1803 (42mm)
Apple Watch Series 2A1757 (38mm)A1758 (42mm)
Apple Watch Series 3A1858, A1889 (38mm)A1859, A1891 (42mm)
Apple Watch Series 4A1977, A2007 (40mm)A1978, A2008 (42mm)
Apple Watch Series 5A2092, A2156 (40mm)A2093, A2157 (44mm)
Apple Watch Series 6A2291, A2157 (40mm)A2292, A2376 (44mm)
Apple Watch SE (1st Generation)A2351, A2355 (40mm)A2352, A2356 (44mm)
Apple Watch Series 7A2473, AA2476 (41mm)A2474, A2478 (45mm)
Apple Watch UltraA2684 (49mm)
Apple Watch SE (2nd Generation)A2722, A2725 (40mm)A2723, A2724 (44mm)
Apple Watch Series 8A2770, A2773 (41mm)A2771, A2775 (45mm)
Apple Watch Series 9A2982 (41mm)A2984 (45mm)
Apple Watch Ultra 2A2986 (49mm)

Once you know what series Apple Watch you have, you’ll also know other important details, like its features, release date, and original price.

Key Takeaways

  • The model number identifies the specific Apple Watch you own.
  • Use the Watch app on the iPhone paired with your Apple Watch to find the model number.
  • Tap the ‘Model’ field under ‘General’ and ‘About’ to view the number that starts with ‘A’.

Identifying Your Apple Watch Model

When you need to pinpoint the specifics of your Apple Watch, the model number is crucial. This identifier can tell you the series, size, and features like GPS or Cellular connectivity of your device.

Model Numbers and What They Mean

Apple Watch model numbers are unique identifiers which reveal specific details about the watch. Once located, they can tell you the series your watch belongs to and its features, including whether it has capabilities like GPS or Cellular. Different models fall within certain ranges:

  • Series 1: A1553, A1554
  • Series 2: A1757, A1758
  • Series 3: A1858, A1859, A1860, A1861,… (and others)
  • Series 4: A1975, A1976, A2007, A2008,…
  • Series 5: A2092, A2093, A2094, A2095,…
  • SE Models: A2351, A2352, A2353, A2354,…

The full list includes models from Series 1 to the latest, as well as special editions like the Apple Watch Nike and the Apple Watch Ultra.

Using the iPhone to Determine Your Watch Model

To find your Apple Watch model number:

  1. Open the Apple Watch app on your iPhone.
  2. Tap the My Watch tab, then General > About.
  3. Look for the Model field, which starts with “A”.
  4. Initially, you may see a part number starting with “M”. Tap it to reveal the five-digit model number that starts with “A”.

Physical Features and Case Details

Each Apple Watch has details on its case back including the model number and information about the case material, like aluminum or stainless steel. The size of the watch is also engraved here, such as 38mm, 40mm, 42mm, or 44mm for older models, and 41mm or 45mm for the newer ones. The Apple Watch Edition and Apple Watch Ultra have distinct case materials and markings.

Apple Watch Software and Settings

Your Apple Watch settings provide a rich source of information. Besides the model number, you can find details on installed software version and hardware specifics. These details help with troubleshooting and when seeking support from Apple. For instance, you can find out whether you’re using an Apple Watch Series 3 with GPS or a Series 7 with GPS + Cellular.

By following these steps and understanding what the details mean, you can accurately identify your Apple Watch model.