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    Astor & Banks Sea Ranger (first generation)

    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: spring bars

    40 mm case

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

    Collection4 references
    20 mm
    Illustration drawn to scale: 40 mm case, 20 mm lugs

    Lug widths across the line

    The Astor & Banks Sea Ranger (first generation) takes a 20 mm strap: all 4 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

    4 Astor & Banks Sea Ranger (first generation) references

    Astor & Banks Sea Ranger (first generation) 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.

    • Sea Ranger (first generation) THE SEA RANGER

      20 mm

      Not yet verified Spring bars

      40 mmGloss Black dialStainless steel (316L)

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

    • Sea Ranger (first generation) THE SEA RANGER B

      20 mm

      Not yet verified Spring bars

      40 mmBlue dialStainless steel (316L)

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

    • Sea Ranger (first generation) THE SEA RANGER POLAR EDITION

      20 mm

      Not yet verified Spring bars

      40 mmWhite dialStainless steel (316L)

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

    • Sea Ranger (first generation) THE SEA RANGER S

      20 mm

      Not yet verified Spring bars

      40 mmMatte Black dialStainless steel (316L) with matte black DLC

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

    FAQ

    What lug width does the Astor & Banks Sea Ranger (first generation) use?

    The Astor & Banks Sea Ranger (first generation) takes a 20 mm strap: all 4 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 Astor & Banks Sea Ranger (first generation) lug widths come from?

    From our database, which lists 4 Astor & Banks Sea Ranger (first generation) references, 4 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 Astor & Banks collections

    All Astor & Banks 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.