Undone Urban

    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

    From our database, not yet verified

    40 to 41.5 mm cases

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

    Collection8 references
    20 mm
    Illustration drawn to scale: 40 mm case, 20 mm lugs

    Lug widths across the line

    The Undone Urban takes a 20 mm strap: all 8 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

    8 Undone Urban references

    Undone Urban 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.

    • Urban Automatic Eclipse

      20 mm

      Database

      40 mmEclipse dial316L stainless steel

      Attachment
      quick-release spring bars
      Status
      Listed in our database, not yet verified

    • Urban Automatic Sandstorm

      20 mm

      Database

      40 mmSandstorm dial316L stainless steel

      Attachment
      quick-release spring bars
      Status
      Listed in our database, not yet verified

    • URB‑RGT‑BK1

      URBAN CIRCUIT

      20 mm

      Database

      40 mm316L stainless steel

      Attachment
      quick-release spring bars
      Status
      Listed in our database, not yet verified

    • URB‑RGT‑BK2

      URBAN CLUBMAN

      20 mm

      Database

      40 mm316L stainless steel

      Attachment
      quick-release spring bars
      Status
      Listed in our database, not yet verified

    • Urban Modern Black

      20 mm

      Database

      41.5 mmBlack dial316L stainless steel

      Attachment
      quick-release spring bars
      Status
      Listed in our database, not yet verified

    • URBAN REDLINE

      20 mm

      Database

      40 mm316L stainless steel

      Attachment
      quick-release spring bars
      Status
      Listed in our database, not yet verified

    • URBAN SPRINTER

      20 mm

      Database

      40 mm316L stainless steel

      Attachment
      quick-release spring bars
      Status
      Listed in our database, not yet verified

    • Urban Stellar Tiff Blue

      20 mm

      Database

      40 mmTiff Blue dial316L stainless steel

      Attachment
      quick-release spring bars
      Status
      Listed in our database, not yet verified

    FAQ

    What lug width does the Undone Urban use?

    The Undone Urban takes a 20 mm strap: all 8 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 Undone Urban lug widths come from?

    From our database, which lists 8 Undone Urban references, 8 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 Undone collections

    All Undone 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.