How to Identify Your Apple Watch Model | Simple Guide

How to Identify Your Apple Watch Model: A Simple Guide for Every User


If you’ve ever wondered, “Which Apple Watch do I have?”, you’re not alone. With numerous models and generations, it can be challenging to determine which Apple Watch you own. Knowing your Apple Watch model is important for compatibility with bands, software updates, and troubleshooting.

In this guide, we’ll walk you through the steps to identify your Apple Watch model using model numbers, settings, and physical features.

Step 1: Check Your Apple Watch Model Number

The simplest way to identify your Apple Watch is by locating its model number. Here's how:

Using Your Apple Watch:

  1. Open the Settings app on your Apple Watch.
  2. Navigate to General > About.
  3. Look for the Model Name and Model Number.

Using an iPhone:

  1. Open the Watch app on the paired iPhone.
  2. Go to General > About.
  3. Find the Model Number field. You should see the Part Number that begins with "M."
  4. Tap it to reveal more details. You should see the field update to show a five-digit number that begins with "A." This is your Model Number.
  5. You may also see the Case Size and materials listed under Model Detail.

Models by Apple Watch Case Size: 

  • 49mm: Ultra (Gen 2), Ultra (Gen 1)
  • 46mm: Series 10
  • 45mm: Series 9, Series 8, Series 7
  • 44mm: Series 6, Series 5, Series 4, SE (Gen 2), SE (Gen 1)
  • 42mm: Series 10, Series 3, Series 2, Series 1, Apple Watch (1st Gen)
  • 41mm: Series 9, Series 8, Series 7
  • 40mm: Series 6, Series 5, Series 4, SE (Gen 2), SE (Gen 1)
  • 38mm: Series 3, Series 2, Series 1, Apple Watch (1st Gen)

Decode the Model Number:

  • Apple Watch model numbers typically start with "A" (e.g., A2476, A2354). These numbers can be cross-referenced using Apple’s official list in Step 5 to identify the specific model.

Decode Part Numbers:

  • Each part number (e.g., MNP13ZP/A) has a systematic meaning:

    The first 5 numbers can be cross-referenced using the list in Step 5 to identify the specific model.
  1. First 3 Letters: Product family (e.g., MNP = Apple Watch).
  2. Numbers: Configuration identifier (size, material, connectivity).
  3. Last Letters: (Region)
    • LL/A: U.S.
    • ZP/A: Asia-Pacific
    • B/A: UK/Europe
    • CH/A: (China)
    • X/A: (Australia/New Zealand)

Step 2: Check the Back of the Apple Watch

On the back of the Apple Watch, near the sensor housing, you’ll find engraved details. This includes the model name, case size, and additional features (e.g., GPS + Cellular). Use these details to identify your model.

Step 3: Compare Physical Features

Each Apple Watch model comes with unique features that can help you identify it:

Case Size and Shape:

  • Case sizes vary by generation (e.g., 38mm, 40mm, 41mm, 44mm, 45mm, 42mm, 46mm or 49mm).
  • The design and bezel shape will also differ between models (e.g., rounded edges in earlier models versus flat sides for newer models).

Digital Crown:

  • The Digital Crown varies in appearance. For instance, some models have a red circle on the crown, indicating LTE/Cellular compatibility.

Display Type:

  • Older models (like Series 3 and earlier) have thicker bezels, while newer models feature more edge-to-edge displays.

Special Features:

  • Identify unique model features like the Action Button (in Apple Watch Ultra) or health features (e.g., ECG, SpO2 tracking).

Step 4: Use Serial or Model Numbers for Detailed Information

You can use your Apple Watch’s serial number for more detailed information:

Where to Find the Serial Number:

  • On the Apple Watch: Go to Settings > General > About.
  • On the iPhone: In the Watch app under General > About.

Once you have the serial number, input it into Apple’s Check Coverage website for detailed model and warranty information.

Step 5: Understanding the Difference between Models

  1. Model Numbers:
    • Each hardware model number (e.g., A3091 for Series 9) corresponds to specific size, material, and connectivity options.
  2. Materials:
    • Aluminum: Standard models for most generations.
    • Stainless Steel: Premium models with added durability offered in Series 2, Series 3, Series 4, Series 5, Series 6, Series 7, Series 8 & Series 9.
    • Titanium: Offered in Series 5, Series 6, Series 7, Series 10 & Ultra models.
    • Ceramic: Available in Series 2, Series 3 & Series 5.
  3. Sizes:
    • Earlier models were limited to 38mm and 42mm.
    • Series 4 introduced larger sizes of 40mm and 44mm, and Series 7 brought 41mm and 45mm.
    • Series 10 have 42mm and 46mm sizes.
    • Ultra models have a unique 49mm size.
  4. Connectivity:
    • GPS-only models: Limited to Aluminum and available in budget-friendly versions like SE.
    • GPS + Cellular: Premium models in Aluminum, Stainless Steel, Titanium, or Ceramic.

Step 6: Reference Apple’s Model Number List

Here’s an overview of Apple Watch models listed by Generation and Case Size with their corresponding Model Numbers (A####) and Part Numbers.

Each Part Number (M####) represents configurations for band, material, size, region, and connectivity. Space limitations prevent listing all regional suffixes (e.g., LL/A, ZP/A, CH/A) for every part number. To simplify the table further, we list only the first 5 digits of the Part Numbers (ignoring the regional suffix, e.g., LL/A, ZP/A) since the first 5 digits uniquely identify the configuration (case size, material, band type).

Apple Watch Series 10

  • 46mm: A2999, A3000, A3003, A3206 (MWWW3, MX1U3, MWWY3, MX1Y3, MWWX3, MX1W3, MX0F3, MX0T3, MX0H3, MX0V3, MX0G3, MX0U3, MX0J3, MX0W3, MX0N3, MX0Y3, MX0M3, MX0X3)
  • 42mm: A2997, A2998, A3001, A3002 (MWWW3, MX1U3, MWWY3, MX1Y3, MWWX3, MX1W3, MX0F3, MX0T3, MX0H3, MX0V3, MX0G3, MX0U3, MX0J3, MX0W3, MX0N3, MX0Y3, MX0M3, MX0X3)

Apple Watch Ultra

  • Ultra 2: A2986, A2987 (MRFU3, MRFV3, MYT73, MYT93, MYT33, MYTJ3, MYTC3, MYTH3, MYTF3)
  • Ultra 1: A2622, A2684, A2859 (MQFY3, MQG03, MQG13)

Apple Watch Series 9

  • 45mm: A2980, A2984, A2985 (MR9Q3, MR973, MR9P3, MR9R3, MRXM3, MR9T3, MRQH3, MRQT3, MRQG3, MRQR3, MRQJ3, MRQU3, MRYJ3, MRYL3, MRQK3, MRQV3, MRQL3, MRQW3, MRQM3, MRQX3, MRQN3, MRQY3)
  • 41mm: A2978, A2982, A2983 (MR9L3, MR9K3, MR9M3, MRXL3, MR9N3, MRPX3, MRQ73, MRPW3, MRQ63, MRPY3, MRQ83, MRYA3, MRYD3, MRQ03, MRQ93, MRQ23, MRQC3, MRQ13, MRQA3, MRQ33, MRQD3)

Apple Watch Series 8

  • 45mm: A2771, A2774, A2775, A2858 (MNP83, MNP93, MP6T3, MNPA3, MNN73, MNN63, MNN83, MNNA3, MNN93, MNNC3, MP523, MP513, MP533, MNNE3, MNND3, MNNF3, MNNH3, MNNG3, MNNJ3, MNNL3, MNNT3, MNNK3, MNNR3, MNNM3, MNNW3, MNNP3, MNNN3, MNNQ3, MNNY3, MNNX3, MNP03)
  • 41mm: A2770, A2772, A2773, A2857 (MNPC3, MNPD3, MP6R3, MNPF3, MNLF3, MNLE3, MNLG3, MNLJ3, MNLH3, MNLK3, MP4Y3, MP4X3, MP503, MNLM3, MNLL3, MNLN3, MNLQ3, MNLP3, MNLR3, MNLU3, MNN13, MNLT3, MNN03, MNLV3, MNN23, MNLX3, MNLW3, MNLY3)

Apple Watch SE (2nd Generation)

  • 44mm: A2723, A2724, A2727, A2856 (MNLC3, MRTX3, MA7W4, MXFL3, MNLA3, MRTW3, MA7Y4, MXFN3C, MNLD3, MRW03, MA7X4, MXFM3, MNQJ3, MNQH3, MNQK3, MRWV3, MRWU3, MRWW3, MA9L4, MA9P4, MXJ63, MNQF3, MNQE3, MNQG3, MRWR3, MRWQ3, MRWT3, MA9N4, MA9R4, MXJ83, MNQM3, MNQL3, MNQN3, MRWY3, MRWX3, MRX03, MA9M4, MA9Q4, MXJ73)
  • 40mm: A2722, A2725, A2726, A2855 (MNL83, MRTR3, MA9A4, MXFH3, MNL73, MRTQ3, MA9D4, MXFK3, MNL93, MRTT3, MA9C4, MXFJ3, MNQ83, MNQ73, MNQ93, MRWK3, MRWJ3, MRWL3, MA9E4, MA9H4, MXJ33, MNQ53, MNQ43, MNQ63, MRWG3, MRWF3, MRWH3, MA9G4, MA9K4, MXJ53, MNQC3, MNQA3, MNQD3, MRWN3, MRWM3, MRWP3, MA9F4, MA9J4, MXJ43)

Apple Watch Series 7

  • 45mm: A2474, A2477, A2478 (MKNQ3, MKNP3, MKN53, MKNR3, MKNT3, MKM63, MKML3, MKM53, MKMK3, MKJ73, MKJP3, MKM73, MKMM3, MKM83, MKMN3, MKM93, ML7W3, MKJE3, MKJW3, MKJJ3, MKL33, MKMH3, MKMW3, ML8W3, ML8Y3, ML8V3, ML8X3)
  • 41mm: A2473, A2475, A2476 (MKNF3, MKNP3, MKMX3, MKNH3, MKNJ3, MKLA3, MKLP3, MKL93, MKLN3, MKH73, MKHQ3, MKLC3, MKLQ3, MKLD3, MKLR3, MKLE3, MKLT3, MKLF3, MKHX3, MKHK3, MKJ23, MKLL3, MKM23, ML8U3, ML913, ML8V3, ML903)

Apple Watch Series 6

  • 44mm: A2292, A2294, A2376 (M02E3, M02D3, M02F3, M02G3, M02H3, M0GQ3, M0G73, M0GP3, M0G63, M0GR3, M0G83, M0GT3, M0G93, M0GU3, M0GC3, M0GV3, M0GD3, M0GW3, M0GF3, M0GX3, M0GG3, M0H23, M0GJ3, M0H13, M0GH3)
  • 40mm: A2291, A2293, A2375 (MG193, MG183, MG1A3, MG2A3, M02C3, M0DP3, M0D53, M0DM3, M0D23, M0DQ3, M0D63, M0DR3, M0D73, M0DT3, M0D83, M0DU3, M0D93, M0DV3, M0DC3, M0DW3, M0DF3, MG363, MG303, M0DY3, M0DH3, M0DX3, M0DG3)

Apple Watch SE (1st Generation)

  • 44mm: A2352, A2354, A2356 (MYE22, MYE12, MYE32, MYF92, MYFD2, MYF82, MYFC2, MYFA2, MYFE2)
  • 40mm: A2351, A2353, A2355 (MYDY2, MYDX2, MYE02, MYF32, MYF62, MYF22, MYF52, MYF42, MYF72)

Apple Watch Series 5

  • 44mm: A2093, A2095, A2157 (MWT42, MWVD2, MX3V2, MWT62, MWT32, MWT52, MWVF2, MWT72, MWQL2, MWR02, MWVY2, MWWC2, MX392, MX3E2, MWQV2, MXR12, MWQK2, MWQY2, MWR82, MWQM2, MWR12, MWW12, MWWE2, MWQW2, MX3A2, MWR92, MWQN2, MWWH2, MWW62, MWW52, MWR22, MWWJ2, MWQP2, MWR32, MWQX2, MWW32, MWWG2, MWRA2, MX5C2, MWQQ2, MWR42, MWW92, MWWM2, MWQT2, MWR62, MWQR2, MWR52; Note: Catalyst cases are not compatible with Ceramic versions MWQU2 & MWR72)
  • 40mm: A2092, A2094, A2156 (MWRY2, MWV72, MWRX2, MX3R2, MWV62, MWT02, MWV82, MWPU2, MWQ72, MWWN2, MWX12, MX372, MX3C2, MWPT2, MWQ62, MWQG2, MWPV2, MWQ82, MWWQ2, MWX32, MWQ42, MWQH2, MWPW2, MWX62, MWWV2, MWWU2, MWPX2, MWQA2, MX5L2, MX5K2, MWWT2, MWX52, MWQJ2, MX5M2, MX5N2, MWPY2, MWQC2, MWX02, MWXC2, MWXA2, MWQ12, MWQE2, MWQ02, MWQD2; Note: Catalyst cases are not compatible with Ceramic versions MWQ22 & MWQF2)

Apple Watch Series 4

  • 44mm: A1978, A1976, A2008 (MU6F2, MU6G2, MU6A2, MU6C2, MU6K2, MU7H2, MU6D2, MU6E2, MU6L2, MU7J2, MTV02, MTV12, MTVW2, MTVX2, MTUU2, MTUV2, MU6X2, MTXC2, MTXA2, MTVR2, MTVT2, MTXK2, MTXJ2, MTUW2, MTUX2, MTXE2, MTXD2, MTVU2, MTVV2, MTXM2, MTXL2, MTV72, MTV82, MTX42, MTX52, MTV22, MTV42, MU6W2, MU6V2, MU9D2, MU9D2, MU6U2, MU6T2, MU782, MU772, MU762, MU9E2, MU752, MU742, MTV52, MTV62, MTX22, MTX32)
  • 40mm: A1977, A1975, A2007 (MU682, MU692, MU642, MU652, MU6H2, MU7F2, MU662, MU672, MU6J2, MU7G2, MTUJ2, MTUK2, MTVG2, MTVH2, MTUD2, MTUF2, MTV92, MTX72, MTVA2, MTVC2, MTX62, MTXF2, MTUG2, MTUN2, MTX82, MTX92, MTVD2, MTVF2, MTXG2, MTXH2, MTUR2, MTUT2, MTVN2, MTVQ2, MTUL2, MTUM2, MU7K2, MU6R2, MU6N2, MU6Q2, MU6P2, MU6M2, MTVJ2, MTVK2, MU7L2, MU732, MU702, MU722, MU712, MU6Y2, MTUN2, MTUQ2, MTVL2, MTVM2)

Apple Watch Series 3

  • 42mm: A1859, A1861, A1891, A1892 (MQL22, MQL02, MQL32, MQL12, MQL42, MR362MQK32, MQK72, MQKP2, MQKT2, MQQU2, MQQX2, MQK12, MQK52, MQKM2, MQKQ2, MQLC2, MQLE2, MQME2, MQMG2, MQQR2, MQQV2, MQRG2, MQRJ2, MQK22, MQK62, MQKN2, MQKR2, MQLD2, MQLF2, MQMF2, MQMH2, MQQT2, MQQW2, MR2X2, MR302, MR342, MQRH2, MQRK2, MQK82, MQLP2, MQLQ2, MQLR2, MQLT2, MQLU2, MQLY2, MQMR2, MQMT2, MQMU2, MQMV2, MQMW2, MQQY2, MQRN2, MQRP2, MQRQ2, MQRR2, MQRT2, MQX62, MQX72, MQX92, MR1J2, MR1U2, MR232, MQK92, MQM02, MQR02, MR1L2, MR1V2, MR242; Note Catalyst Cases are not compatible with Ceramic versions MQKD2, MQM52, MQR22, MQKE2, MQM62 & MQR32)
  • 38mm: A1858, A1860, A1889, A1890 (MQKW2, MQKU2, MQKX2, MQKV2, MQKY2, MR352MQJQ2, MQJU2, MQKH2, MQKL2, MQQG2, MQQK2, MQJN2, MQJR2, MQKF2, MQKJ2, MQL52, MQL72, MQM72, MQM92, MQQE2, MQQH2, MQR42, MQR62, MQJP2, MQJT2, MQKK2, MQKN2, MQL62, MQL82, MQM82, MQMA2, MR2W2, MR2Y2, MR332, MQQF2, MQQJ2, MQR52, MQR72, MQJV2, MQLJ2, MQLK2, MQLM2, MQLN2, MQLV2, MQML2, MQMM2, MQMP2, MQMQ2, MQQL2, MQRA2, MQRE2, MQRF2, MQX92, MR1F2. MR1N2, MR212, MQJW2, MQLW2, MQQM2, MR1H2, MR1Q2, MR222; Note: Catalyst Cases are not compatible with Ceramic versions MQJY2, MQM32, MQQP2, MQK02, MQM42 & MQQQ2)

Apple Watch Series 2

  • 42mm: A1758, A1817 (MNPN2, MNPP2, MQ152, MNPL2, MNPM2, MQ142, MNNT2, MNPJ2, MNPK2, MNYQ2, MQ192, MNYY2, MP0A2, MP062, MP072, MQ182, MNPR2, MNPT2, MNPU2, MNPV2, MNPW2, MNQ02, MNQ22, MNQ32, MNQC2, MNQ12, MP4A2; Catalyst Cases are not compatible with Ceramic version MNPQ2)
  • 38mm: A1757, A1816 (MNP22, MNP32, MQ132, MNNY2, MNP02, MNNQ2, MNNW2, MNNX2, MNYP2, MQ172, MNYX2, MP0D2, MP052, MP082, MQ162, MNP42, MNP52, MNP62, MNP72, MNP82, MNP92, MNPA2, MNQ52, MNQ62, MNQ72, MNQ82, MNQ92, MQ1F2, MNPD2, MNPE2, MP492; Catalyst Cases are not compatible with Ceramic version MNPF2)

Apple Watch Series 1

  • 42mm: A1803 (MNNN2, MQ122, MNNM2, MQ112, MNNL2, MP032)
  • 38mm: A1802 (MNNJ2, MQ102, MNNH2, MNNG2, MP022)

Apple Watch (1st Generation) – Series 0

  • 42mm: A1554, A1638 (MLC72, MMEE2, MMFQ2, MLC62, MMFP2, MJ3N2, MJ3P2, MJ3Q2, MJ3R2, MLC42, MLC52, MMED2, MMFE2, MMFL2, MMFM2, MMFN2, MJ3T2, MMFR2, MJ3U2, MJ3V2, MJ3X2, MJ3Y2, MJ402, MJ432, MJ452, MJ472, MJYN2, MLCC2, MLCD2, MLCE2, MLC92, MLFA2, MLFC2, MLLE2, MMFU2, MMFV2, MMFX2, MMG02, MJ482, MLC82, MMG22, MJ4A2, MLE52, MJ8Q2, MJVT2, MKL62, MLFH2)
  • 38mm: A1553 (MLCJ2, MMEC2, MMF52, MLCH2, MMF42, MJ2T2, MJ2U2, MJ2V2, MJ2W2, MLCF2, MLCG2, MME92, MMF02, MMF12, MMF22, MMF32, MJ2X2, MMF62, MJ2Y2, MJ3A2, MJ3E2, MJ302, MJ312, MJ322, MJ332, MJ362, MJYK2, MLCL2, MLCN2, MLCP2, MLC02, MLC22, MLC32, MLE62, MLLD2, MMF82, MMFD2, MMF92, MMFH2, MMFK2, MJ3F2, MLCK2, MJ3K2, MJ3L2, MJ8P2, MJ3G2, MKL52)

Part Number example

  • MG123LL/A:
    • MG123: Specific Part Number for the device (from the list above)
    • LL: Region code (e.g., United States).
    • /A: Batch or hardware revision indicator (current or first edition).

If a newer version of the same device were released, the part number could become something like MG123LL/B.

Region Code

After the first 5 digits of the Part Number, the Region code follows and this is used to distinguish the same device based on regional variations, such as differences in power adapters or packaging languages. They may also determine eligibility for specific software features, meaning certain functions of the device can vary depending on the region where it was purchased. These differences are usually implemented to comply with local laws and regulations. 

Examples of codes by region are below:

  • A Canada
  • AB Egypt, Jordan, Saudi Arabia, United Arab Emirates
  • AE Bahrain, Kuwait, Qatar, Saudi Arabia, United Arab Emirates
  • AH Bahrain, Kuwait
  • AM United States (Assembled in Vietnam)
  • B Ireland, UK
  • BR Brazil (Assembled in Brazil)
  • BZ Brazil (Assembled in China)
  • C Canada
  • CH China
  • CL Canada
  • CN Slovakia
  • CZ Czech Republic
  • D Germany
  • DN Austria, Germany, Netherlands
  • E Mexico
  • EE Estonia
  • F France
  • FB France, Luxembourg
  • FD Austria, Liechtenstein, Switzerland
  • FS Finland
  • GR Greece
  • HB Israel
  • HN India
  • HU Ukraine
  • IP Italy
  • J Japan
  • KH China, South Korea
  • KN Denmark, Norway
  • KS Finland, Sweden
  • LA Colombia, Ecuador, El Salvador, Guatemala, Honduras, Peru
  • LE Argentina
  • LL USA, Canada
  • LP Poland
  • LT Lithuania
  • LV Latvia
  • LW USA (do not have Blood Oxygen function)
  • LZ Chile, Paraguay, Uruguay
  • MG Hungary
  • MO Macau, Hong Kong(?)
  • MY Malaysia
  • NF Belgium, France, Luxembourg
  • PK Finland, Poland
  • PL Poland
  • PM Poland
  • PO Portugal
  • PP Philippines
  • QL Italy, Spain, Portugal
  • QN Denmark, Norway, Sweden, Iceland
  • RK Kazakhstan
  • RM Russia, Kazakhstan
  • RO Romania
  • RP Russia
  • RR Russia
  • RS Russia
  • RU Russia
  • SA Vietnam
  • SE Serbia
  • SL Slovakia
  • SO South Africa
  • SU Ukraine
  • T Italy
  • TA Taiwan
  • TH Thailand
  • TU Turkey
  • TY Italy
  • UA Ukraine
  • VC Canada
  • VN Vietnam
  • X Australia, New Zealand
  • Y Spain
  • ZA Singapore
  • ZD Germany, Belgium, Luxembourg, Netherlands, Austria, France, Switzerland, Monaco
  • ZP Hong Kong, Macau, Singapore

Revision Indicator

The /A at the end of an Apple model Part Number (e.g., MG123LL/A) serves as an internal identifier used by Apple to denote specific product variations tied to hardware revisions or regional configurations. This acts as a version indicator for that specific hardware model, showing that it belongs to the latest revision or batch of that product.

  • Apple typically uses /A to indicate the first or current version of a product's hardware. If later hardware revisions are made, this character may change, such as /B, /C, etc., for newer versions of the same model.
  • For example, slight revisions to internal components or updated packaging might result in a shift to a new identifier, e.g., /B.

Why Knowing Your Apple Watch Model Matters

Understanding your Apple Watch model can help you:

  • Ensure compatibility with watchbands, chargers, apps and software updates.
  • Access correct troubleshooting support when needed.
  • Choose the right accessories, such as protective cases and straps.

Are All Apple Watch Bands Compatible with All Generations of the Apple Watch?

Apple Watch bands are not universally compatible with all generations and models, but Apple has designed much of its lineup to allow for significant cross-compatibility. Whether a band will fit your watch comes down to case size, as recent Apple Watches continue to group sizes into categories that share the same band-fitting mechanism.

Apple Watch Size Groups

Apple Watch sizes fall into several groups that determine band compatibility. These groupings remain consistent across most models, with new sizes occasionally introduced:

A. Smaller Size Group

  • 38mm, 40mm, 41mm and 42mm models all fall within the small-size group. Bands made for any of these sizes are interchangeable.
  • Watches in this group:
    • Series 0, 1, 2, 3 (38mm)
    • Series 4, 5, 6, SE (1st and 2nd gen) (40mm)
    • Series 7, 8, 9 (41mm)
    • Series 10 (42mm)

B. Larger Size Group

  • 42mm, 44mm, 45mm, 46mm and 49mm models belong to the large-size group. Bands designed for any of these sizes will work interchangeably.
  • Watches in this group:
    • Series 0, 1, 2, 3 (42mm)
    • Series 4, 5, 6, SE (1st and 2nd gen) (44mm)
    • Series 7, 8, 9 (45mm)
    • Series 10 (46mm)
    • Apple Watch Ultra (1st and 2nd gen) (49mm)
  • Note: The 49mm Ultra is compatible with bands meant for 44mm and 45mm watches. However, the rugged bands designed specifically for the Ultra (e.g., Alpine Loop, Trail Loop) might feel too big or bulky on smaller watches, even if technically usable.

If you have an existing Apple Watch Band on an older model can you use it with a new generation Apple Watch?

Yes, Apple’s bands are backwards compatible. This means you can use your old bands with the Series 10. If you have a 41mm or 45mm band, it will work with the 42mm and 46mm Series 10 cases.

  • Apple Watch Case Size

    Compatible Band Sizes

    38mm, 40mm, 41mm

    40mm

    42mm, 44mm, 45mm

    42mm

    46mm, 49mm

    46mm, 49mm



Conclusion

Identifying your Apple Watch model is straightforward with the steps above. By checking the model number, physical features, and serial information, you can determine your Apple Watch model within minutes. Don’t forget to cross-check the model number using Apple’s official resources to ensure accuracy.

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