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    Swatch What If

    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.

    16 mm

    Not yet verified

    Attachment: to verify

    33 mm case

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

    Collection14 references
    16 mm
    Illustration drawn to scale: 33 mm case, 16 mm lugs

    Lug widths across the line

    The Swatch What If takes a 16 mm strap: all 14 references with a listed width in our database use 16 mm. Check the reference on your case back to be sure.

    Filter references by lug width

    14 Swatch What If references

    Swatch What If 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.

    • SO34B700

      What If

      16 mm

      Not yet verified To verify

      33 mmWhite dialBioCeramic

    • SO34B701

      What If

      16 mm

      Not yet verified To verify

      33 mmBlack dialBioCeramic

    • SO34G700

      What If

      16 mm

      Not yet verified To verify

      33 mmWhite dialBioCeramic

    • SO34G701

      What If

      16 mm

      Not yet verified To verify

      33 mmGreen dialBioCeramic

    • SO34L701

      What If

      16 mm

      Not yet verified To verify

      33 mmDark blue dialBioCeramic

    • SO34M700

      What If

      16 mm

      Not yet verified To verify

      33 mmWhite dialBioCeramic

    • SO34N700

      What If

      16 mm

      Not yet verified To verify

      33 mmBlack dialBioCeramic

    • SO34P700

      What If

      16 mm

      Not yet verified To verify

      33 mmPink dialBioCeramic

    • SO34R700

      What If

      16 mm

      Not yet verified To verify

      33 mmBlue dialBioCeramic

    • SO34W700

      What If

      16 mm

      Not yet verified To verify

      33 mmWhite dialBioCeramic

    • SO34Z100

      What If

      16 mm

      Not yet verified To verify

      33 mmBlack dialBioCeramic

    • SO34Z101

      What If

      16 mm

      Not yet verified To verify

      33 mmMulticolour dialBioCeramic

    • SO34Z102

      What If

      16 mm

      Not yet verified To verify

      33 mmPink dialBioCeramic

    • SO34Z103

      What If

      16 mm

      Not yet verified To verify

      33 mmBlack dialBioCeramic

    FAQ

    What lug width does the Swatch What If use?

    The Swatch What If takes a 16 mm strap: all 14 references with a listed width in our database use 16 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 Swatch What If lug widths come from?

    From our database, which lists 14 Swatch What If references, 14 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 Swatch collections

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    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.