What Series Is My Apple Watch? Identify It

To find out which Apple Watch series you have, look at the back of the watch case. The model number is engraved there, and you can match it to the list below. You can also find the model number in the Watch app on your iPhone.

Find Your Model Number

The model number is the quickest way to identify your Apple Watch. It is a small engraving on the back of the case, near where the sensors are. It looks like “A2094” or “MNE53.”

To see it on screen instead:

On your iPhone, open the Watch app.
Tap the My Watch tab at the bottom.
Go to General > About.
Look for Model. If you see a part number like “MNE53LL/A,” tap it once — it will change to the model number (e.g., “A2094”).

Apple Watch Series by Model Number

Use this list to match the model number you found. Note that many series have multiple model numbers due to different case sizes, materials (aluminum, stainless steel, titanium), and cellular vs. GPS-only versions.

Series 0 (Original): A1553 (38mm), A1554 (42mm)
Series 1: A1802 (38mm), A1803 (42mm)
Series 2: A1757 (38mm), A1758 (42mm) — GPS; A1816 (38mm), A1817 (42mm) — cellular
Series 3: A1858 (38mm GPS), A1859 (42mm GPS), A1860 (38mm cellular), A1861 (42mm cellular), A1889 (38mm cellular China), A1890 (42mm cellular China), A1891 (38mm cellular China), A1892 (42mm cellular China)
Series 4: A1977 (40mm GPS), A1978 (44mm GPS), A1975 (40mm cellular), A1976 (44mm cellular), A2007 (40mm cellular China), A2008 (44mm cellular China)
Series 5: A2031 (40mm GPS), A2032 (44mm GPS), A2094 (40mm cellular), A2095 (44mm cellular), A2156 (40mm cellular China), A2157 (44mm cellular China)
Series 6: A2291 (40mm GPS), A2292 (44mm GPS), A2293 (40mm cellular), A2294 (44mm cellular), A2375 (40mm cellular China), A2376 (44mm cellular China)
Series 7: A2473 (41mm GPS), A2474 (45mm GPS), A2475 (41mm cellular), A2476 (45mm cellular), A2477 (41mm cellular China), A2478 (45mm cellular China)
Series 8: A2770 (41mm GPS), A2771 (45mm GPS), A2772 (41mm cellular), A2773 (45mm cellular), A2857 (41mm cellular China), A2858 (45mm cellular China)
Series 9: A2978 (41mm GPS), A2979 (45mm GPS), A2980 (41mm cellular), A2981 (45mm cellular), A2982 (41mm cellular China), A2983 (45mm cellular China)
Series 10: A2997 (42mm GPS), A2998 (46mm GPS), A2999 (42mm cellular), A3000 (46mm cellular), A3001 (42mm cellular China), A3002 (46mm cellular China)
Ultra (1st gen): A2622 (49mm cellular)
Ultra 2: A2986 (49mm cellular), A2987 (49mm cellular China)
SE (1st gen): A2351 (40mm GPS), A2352 (44mm GPS), A2353 (40mm cellular), A2354 (44mm cellular), A2355 (40mm cellular China), A2356 (44mm cellular China)
SE (2nd gen): A2722 (40mm GPS), A2723 (44mm GPS), A2724 (40mm cellular), A2725 (44mm cellular)

Other Ways to Identify Your Apple Watch

If you cannot see the back of the watch or do not have your iPhone handy, there are a few other clues:

Check the display: Series 7 and later have a larger, edge-to-edge display with thinner bezels. Series 4–6 have a similar rounded-square shape, but the screen does not curve as much at the corners.
Look at the Digital Crown: Series 4 and later have a red ring on the Digital Crown (for cellular models). The Ultra has a flat, orange Digital Crown.
Check the side button: The Ultra has a large, protruding side button, whereas other models have a flat, oval button.
Check the back sensor: Series 6 and later have a blood oxygen sensor that appears as a red light on the back. Series 7 and later also have a sensor array that is slightly different from earlier models.
Check the charging cable: Series 3 and earlier use a magnetic charging puck with a USB-A connector. Series 4 and later use a USB-C connector (except some early Series 4 units that shipped with USB-A).

Common Misconceptions

Many people confuse the Apple Watch SE with the Series 5 or 6 because they look similar. The SE (1st gen) has the same S5 chip as the Series 5, but it lacks the always-on display and ECG app. The SE (2nd gen) uses the S8 chip but still lacks those features. The easiest way to tell them apart is the model number.

Another misconception: the Series 10 is not the “Series X” or a special edition. It is simply the 10th generation, with a larger display and a thinner case than the Series 9.

Why It Matters

Knowing your Apple Watch series is important for several reasons:

Compatibility: Newer watchOS versions may not support older models. For example, watchOS 10 requires Series 4 or later.
Accessories: Bands are generally compatible across series (except the original and Series 1–3, which use a different connector). But chargers and cases may be specific to certain generations.
Resale value: When selling or buying a used watch, the series determines the price.
Features: Some features like ECG, blood oxygen, and crash detection are only available on specific series.

Frequently Asked Questions

Can I check my Apple Watch series without an iPhone?

Yes. Look at the back of the watch for the model number, then match it to the list above. If you cannot see the engraving, you can also go to Settings > General > About on the watch itself, scroll down to “Model,” and tap it to reveal the model number.

What is the difference between a model number and a part number?

The model number (like A2094) is the hardware identifier. The part number (like MNE53LL/A) is a regional sales code that includes the case material, color, and band size. The part number is what you see in the Watch app by default; tapping it reveals the model number.

My Apple Watch says “Series 0” — is that the first generation?

Yes. The original Apple Watch (2015) is often called “Series 0” because Apple did not give it a series number. It was simply called “Apple Watch.” The Series 1 came out in 2016 with a faster processor.

Which Apple Watch series is the latest?

As of 2024, the latest models are the Series 10 and the Ultra 2. The Series 10 was announced in September 2024, and the Ultra 2 was updated in 2023 with a new color option and the S9 chip.

Can I identify my Apple Watch by its band?

No, bands are interchangeable across most series, so they are not a reliable indicator. However, the original Apple Watch and Series 1–3 use a different band connector (the band slides in from the side), while Series 4 and later use a similar but slightly different mechanism. Still, the best way is the model number.

Why does my Apple Watch show a different model number than the list?

If you see a model number not on the list, it might be a regional variant or a newer release. Apple occasionally releases new model numbers for different countries or for special editions (like HermÃ¨s). Check Apple’s official support page for the most up-to-date list.

Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.

More cards in this drawer

The whole Numbers and Powers drawer →