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    Adidas Project Four Solar

    Every reference with a known width takes the same strap size. Your reference is engraved on the case back or between the lugs at 6 o'clock.

    20 mm

    Not yet verified

    Attachment: to verify

    41 mm case

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    Indicative information. Check your watch before buying a strap: whatsmylugwidth.com is not responsible for an incorrect size.

    Collection5 references
    20 mm
    Illustration drawn to scale: 41 mm case, 20 mm lugs

    Lug widths across the line

    The Adidas Project Four Solar takes a 20 mm strap: all 5 references with a listed width in our database use 20 mm. Check the reference on your case back to be sure.

    Filter references by lug width

    5 Adidas Project Four Solar references

    Adidas Project Four Solar references in our database. Each card says where its width comes from: listed by the maker (linked to the maker's page in the details), two independent sources agree, or listed in our database and not yet verified by us.

    • AOST25528

      Project Four Solar Originals - Style Project Four Solar Watch

      20 mm

      Not yet verified To verify

      41 mmLight Blue dialResin

      Attachment
      pushpins
      Status
      Listed in our database, not yet verified

    • AOST25530

      Project Four Solar Originals - Style Project Four Solar Watch

      20 mm

      Not yet verified To verify

      41 mmYellow dialResin

      Attachment
      pushpins
      Status
      Listed in our database, not yet verified

    • AOST25531

      Project Four Solar Originals - Style Project Four Solar Watch

      20 mm

      Not yet verified To verify

      41 mmWhite dialResin

      Attachment
      pushpins
      Status
      Listed in our database, not yet verified

    • AOST25527

      Project Four Solar Originals AO Street Project Four Solar unisex watch

      20 mm

      Not yet verified To verify

      41 mmWhite dialSynthetic

      Attachment
      pushpins
      Status
      Listed in our database, not yet verified

    • AOST25532

      Project Four Solar Originals AO Street Project Four Solar unisex watch

      20 mm

      Not yet verified To verify

      41 mmBlue dialSynthetic

      Attachment
      pushpins
      Status
      Listed in our database, not yet verified

    FAQ

    What lug width does the Adidas Project Four Solar use?

    The Adidas Project Four Solar takes a 20 mm strap: all 5 references with a listed width in our database use 20 mm. Check the reference on your case back to be sure. These widths come from our database and are not yet verified.

    Where do these Adidas Project Four Solar lug widths come from?

    From our database, which lists 5 Adidas Project Four Solar references, 5 of them with a listed width. Each reference card says whether the maker lists the width, two independent sources agree on it, or it is not yet verified.

    Other Adidas collections

    All Adidas collections

    Help

    What is lug width?

    The gap between the two lugs that hold the strap, in millimetres. A new strap must match it exactly: 20 mm lugs take a 20 mm strap.

    Measure it in 30 seconds

    1. Take the strap off, or look at the back of it: many straps print their width.
    2. Measure the inside gap between the lugs with a caliper or a millimetre ruler.
    3. Round to the nearest whole millimetre. Most watches use 18, 20 or 22 mm.

    Strap, quick release or system?

    Most watches use spring bars, so any strap of the right width fits. Many smartwatches use their own band system instead, such as Apple Watch bands or Garmin QuickFit.