Which Apple Watch do I have?

Which Apple Watch Do I Have?

Want to know which Apple Watch model you have? It's easier than you think. Apple has released dozens of models over the years — from the original Apple Watch Series 0 in 2015 to the latest Apple Watch Series 11, Ultra 3 and SE (3rd generation) in 2025. Many models look very similar, making it tricky to identify your Apple Watch without the exact model number. To determine your Apple Watch model, you'll need that model number. In this guide, we'll walk you through step by step how to find it and compare it with our complete overview of all Apple Watch model numbers.

Tip: The model number always starts with the letter A (followed by 4 digits). Once you have it, look it up in the overview below.

Step 1 — Find your Apple Watch model number

A
On your Apple Watch

Settings → General → About → 'Model' field

B
Via the Watch app on iPhone

My Watch → General → About → tap 'Model' to see the A-number

Step 2 — Compare your model number and identify your Apple Watch

Series All Series 11 Ultra 3 SE (3rd gen) Series 10 Ultra 2 Series 9 SE (2nd gen) Series 8 Ultra 1 Series 7 Series 6 / SE 1st gen Older (≤ Series 5)
Case size All 38 mm 40 mm 41 mm 42 mm 44 mm 45 mm 46 mm 49 mm
GPS
Model numberCase sizeRegion
A329342 mmNorth America, Europe, Asia/Oceania
A329442 mmChina, mainland
A329546 mmNorth America, Europe, Asia/Oceania
A329646 mmChina, mainland
Colours: Midnight, Starlight, Pink, Blue – Aluminium
Discover bands for Series 11 – 42 mm (small case) →
Discover bands for Series 11 – 46 mm (large case) →
GPS + Cellular
Model numberCase sizeRegion
A328149 mmNorth America, Europe, Asia/Oceania
A328249 mmChina, mainland
Colours: Natural or Black Titanium with orange ring on the Digital Crown
Discover bands for Apple Watch Ultra 3 →
GPS
Model numberCase sizeRegion
A332440 mmNorth America, Europe, Asia/Oceania
A339140 mmChina, mainland
A332544 mmNorth America, Europe, Asia/Oceania
A339244 mmChina, mainland
GPS + Cellular
Model numberCase sizeRegion
A332640 mmNorth America, Europe, Asia/Oceania
A332740 mmChina, mainland
A332844 mmNorth America, Europe, Asia/Oceania
A332944 mmChina, mainland
Colours: Midnight or Starlight Aluminium
Discover bands for SE (3rd gen) – 40 mm →
Discover bands for SE (3rd gen) – 44 mm →
GPS – Aluminium
Model numberCase sizeRegion
A299742 mmNorth America, Europe, Asia/Oceania
A299842 mmChina, mainland, Indonesia
A299946 mmNorth America, Europe, Asia/Oceania
A300046 mmChina, mainland, Indonesia
GPS + Cellular – Aluminium & Titanium & Hermès
Model numberCase sizeRegion
A300142 mmNorth America, Europe, Asia/Oceania
A300242 mmChina, mainland
A300346 mmNorth America, Europe, Asia/Oceania
A320646 mmChina, mainland
Aluminium: Space Black, Rose Gold or Silver · Titanium: Natural, Slate or Gold
Discover bands for Series 10 – 42 mm (small case) →
Discover bands for Series 10 – 46 mm (large case) →
GPS + Cellular
Model numberCase sizeRegion
A298649 mmNorth America, Europe, Asia/Oceania
A298749 mmChina, mainland
Colours: Natural or Black Titanium with orange ring on the Digital Crown
Discover bands for Apple Watch Ultra 2 →
GPS
Model numberCase size
A297841 mm
A298045 mm
GPS + Cellular
Model numberCase sizeRegion
A298241 mmNorth America, Europe, Asia/Oceania
A298341 mmChina, mainland
A298445 mmNorth America, Europe, Asia/Oceania
A298545 mmChina, mainland
Discover bands for Series 9 – 41 mm →
Discover bands for Series 9 – 45 mm →
GPS
Model numberCase size
A272240 mm
A272344 mm
GPS + Cellular
Model numberCase size
A272540 mm
A272644 mm
Discover bands for SE (2nd gen) – 40 mm →
Discover bands for SE (2nd gen) – 44 mm →
GPS
Model numberCase size
A277041 mm
A277145 mm
GPS + Cellular
Model numberCase size
A277341 mm
A277445 mm
Discover bands for Series 8 – 41 mm →
Discover bands for Series 8 – 45 mm →
GPS + Cellular
Model numberCase sizeRegion
A262249 mmNorth America, Europe, Asia/Oceania
A287949 mmChina, mainland
Colour: Natural Titanium
Discover bands for Apple Watch Ultra →
GPS
Model numberCase size
A247341 mm
A247445 mm
GPS + Cellular
Model numberCase size
A247541 mm
A247645 mm
Discover bands for Series 7 – 41 mm →
Discover bands for Series 7 – 45 mm →
Series 6 – GPS
Model numberCase size
A229140 mm
A229244 mm
Series 6 – GPS + Cellular
Model numberCase size
A229340 mm
A229444 mm
SE (1st gen) – GPS
Model numberCase size
A235140 mm
A235244 mm
Discover bands – 40 mm →
Discover bands – 44 mm →
Series 5 (2019)
Model numberCase sizeType
A209340 mmGPS
A209444 mmGPS
A209540 mmGPS + Cellular
A209644 mmGPS + Cellular
Series 4 (2018)
Model numberCase sizeType
A197740 mmGPS
A197844 mmGPS
A197540 mmGPS + Cellular
A197644 mmGPS + Cellular
Series 3 / 2 / 1 (2015–2017) – 38 mm & 42 mm

Series 3: A1858 (38mm GPS), A1859 (42mm GPS), A1889 (38mm Cellular), A1891 (42mm Cellular)
Series 2: A1757 (38mm), A1758 (42mm)
Series 1: A1802 (38mm), A1803 (42mm)
Series 0 (1st gen): A1553 (38mm), A1554 (42mm)

Discover bands – 38/40 mm →
Discover bands – 42/44 mm →

Useful tips

  • The model number always starts with the letter A
  • Bands for 38, 40, 41 and 42 mm (Series 10 & 11) are interchangeable
  • Bands for 44, 45 and 49 mm are interchangeable
  • Not sure about your size? Check the back of your watch
  • Series 10 and 11 come in 42 mm and 46 mm — thinner and lighter than previous generations
  • Ultra models always have a 49 mm case size

Frequently asked questions about Apple Watch models

Not entirely. Bands are compatible within two groups: 38/40/41/42 mm (small case, including Series 10 & 11) and 44/45/49 mm (large case). Within those groups, bands are interchangeable across series. Note: Apple Watch Series 1–3 also had a 42 mm case, but that falls in the large band category and is not compatible with the 42 mm of Series 10 and 11.
Look at the side of your watch. Models with Cellular have a red ring on the Digital Crown. GPS-only models have a white/grey ring. You can also check at Settings → General → About → Model.
The newest models (2025) are the Apple Watch Series 11, Apple Watch Ultra 3 and the Apple Watch SE (3rd generation).
Yes! A Series 9 band of 41 mm fits on the Series 10 and 11 with a 42 mm case — both fall in the small band category (38/40/41/42 mm). A Series 9 band of 45 mm fits on the Series 10 with a 46 mm case — both fall in the large band category (44/45/49 mm). View all bands.
The serial number (not the same as the model number) can also be found via Settings → General → About. You can also find it on the original packaging or via checkcoverage.apple.com.
The Apple Watch SE is the affordable entry-level option without advanced health sensors like ECG and blood oxygen measurement. The Series models (e.g. Series 9, 10, 11) are the flagships with all features, a brighter display and faster chip. The Ultra models are designed for extreme sports and adventure, with a larger 49 mm titanium case and enhanced GPS accuracy.
Apple Watch bands are compatible in two size groups. Do you have a watch with 38, 40, 41 or 42 mm (small case — including Series 10 & 11)? Then all bands from the small category will fit. Do you have a watch with 44, 45 or 49 mm (large case)? Then all bands from the large category will fit. Note: the older 42 mm case of Series 1–3 falls in the large category and doesn't share bands with the new 42 mm of Series 10 and 11. View the complete band range.

Can't figure out which model you have? Our team is happy to help.

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