To identify a smartwatch, start on the watch itself: open Settings and look for About or the maker’s equivalent. Find the model name or model number—not just the serial number. If the watch will not turn on, check the manufacturer’s paired-phone app, documented case markings, or the original box.
Find the model in the watch’s settings
Menu names vary by brand, model, and software version, but the About screen is the best first stop. These are the documented paths for four major smartwatch families:
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| Watch | Where to look | What you may find |
|---|---|---|
| Apple Watch | Settings > General > About | Model name, model number, serial number, and cellular identifiers where applicable. Apple Support |
| Samsung Galaxy Watch | Settings > About watch; some older models use Gear info > About device | Model number, serial number, and, on cellular models, IMEI. Other device details may also appear. Samsung says available screens and settings may vary by watch and software version. Samsung Support |
| Garmin watch | Often Settings > System > About for Unit ID; product name and serial number may be shown elsewhere on the device or in Garmin Connect | Product name, serial number, or Unit ID, depending on the route. Garmin Support |
| Google Pixel Watch | Swipe down > Settings > System > About | Serial number and, on LTE versions, IMEI. Google Support |
Use the paired phone app if the watch is unavailable
Apple Watch
On the paired iPhone, open the Apple Watch app and go to My Watch > General > About. Apple lists the watch’s identifying information there. Apple’s instructions
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For a linked Garmin device, check Garmin Connect for its serial number. Garmin also identifies the product box as another possible location for the serial. Garmin’s serial-number guidance
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App-based lookup is not documented in the same way for every brand. If the app does not show the model or the watch is not paired, continue with the device markings or packaging.
Check documented markings and packaging
Apple Watch
If the watch cannot be powered on, remove the band and inspect the band slot: Apple says Series 1 and later have a serial number there. The first-generation Apple Watch has its serial number engraved on the back. The IMEI appears only on GPS + Cellular models. Apple Support
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Samsung Galaxy Watch
Samsung’s instructions focus on information in the About watch menus. The available settings and information can differ across models and software versions, so do not assume that every Galaxy Watch has the same marking or menu arrangement. Samsung Support
Garmin
Depending on the watch, the serial number may be on its back or under the band. Garmin says the serial is a nine-character string of letters or numbers, with no spaces or dashes. That differs from the 10-digit Unit ID. Garmin Support
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Google Pixel Watch
Look at the markings where the band meets the case. Google says LTE versions have a serial number on one side and an IMEI on the other; Wi-Fi versions have a serial number only. Google Support
Original box
If you still have the packaging, check its product label. Garmin specifically lists the product box as a possible serial-number location. A label may help, but use the watch’s model information when you need to confirm its exact version.
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Know which number you need
- Model name or model number: identifies the product family or version. This is usually what you need to identify the watch or check whether an accessory is compatible.
- Serial number: identifies an individual device and may be requested for support or repair.
- IMEI: identifies cellular equipment for network-related purposes. It is not present on every watch: Google says Wi-Fi Pixel Watch models have no IMEI, and Apple limits it to GPS + Cellular models.
- Garmin Unit ID: a device identifier distinct from Garmin’s serial number; Garmin describes it as 10 digits.
When a support form asks for one of these, enter that exact identifier rather than substituting another. Google notes that serial numbers and IMEIs are used for repairs and replacements, and that an IMEI is needed for cellular network use with an operator. Google Support
What to do if you still cannot identify it
- Open the watch’s Settings > About screen, or the closest equivalent, and record the model name or model number.
- If the watch is paired, check the maker’s phone app. Apple and Garmin document app-based lookup routes.
- Inspect only markings documented for that product family, such as an Apple Watch band slot or Garmin’s case and under-band locations. Remove a band only if needed to see the marking.
- Check the original box label if it is available.
- For another brand, find its official support page or manual using the product family name. Menu labels and physical marking locations vary, and there is no established universal serial-number lookup that can identify every smartwatch model.
The steps above cover Apple Watch, Samsung Galaxy Watch, Garmin, and Google Pixel Watch; they are not a universal menu map. For a watch from another maker, follow that manufacturer’s instructions rather than guessing from a number on the case.
Quick Recap
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