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    Bremont Supermarine S300

    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

    Listed by the maker for ref. S300‑KAIMU‑B, S300‑KAIMU‑L‑S and 5 more

    40 mm case · 2017

    Find your exact reference

    Official page: Bremont

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

    Collection9 references
    20 mm
    Illustration drawn to scale: 40 mm case, 20 mm lugs

    Lug widths across the line

    The Bremont Supermarine S300 takes a 20 mm strap: all 9 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

    9 Bremont Supermarine S300 references

    Bremont Supermarine S300 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.

    • S300‑KAIMU‑B

      Supermarine S300 Kaimu (bracelet)

      20 mm

      Maker

      40 mmBlack dialStainless steel Bremont trip-tick case construction with scratch resistant PVD treated case middle

      Attachment
      classic lugs
      Status
      Listed by the maker

    • S300‑KAIMU‑L‑S

      Supermarine S300 Kaimu (leather strap)

      20 mm

      Maker

      40 mmBlack dialStainless steel Bremont trip-tick case construction with scratch resistant PVD treated case middle

      Attachment
      classic lugs
      Status
      Listed by the maker

    • S300‑KAIMU‑R‑S

      Supermarine S300 Kaimu (rubber strap)

      20 mm

      Maker

      40 mmBlack dialStainless steel Bremont trip-tick case construction with scratch resistant PVD treated case middle

      Attachment
      classic lugs
      Status
      Listed by the maker

    • S300‑KAIMU‑S‑S

      Supermarine S300 Kaimu (sailcloth strap)

      20 mm

      Maker

      40 mmBlack dialStainless steel Bremont trip-tick case construction with scratch resistant PVD treated case middle

      Attachment
      classic lugs
      Status
      Listed by the maker

    • S300‑VIGO‑B

      Supermarine S300 Vigo (bracelet)

      20 mm

      Maker

      40 mmWhite dialStainless steel Bremont trip-tick case construction with scratch resistant PVD treated case middle

      Attachment
      classic lugs
      Status
      Listed by the maker

    • S300‑VIGO‑R‑S

      Supermarine S300 Vigo (rubber strap)

      20 mm

      Maker

      40 mmWhite dialStainless steel Bremont trip-tick case construction with scratch resistant PVD treated case middle

      Attachment
      classic lugs
      Status
      Listed by the maker

    • S300‑VIGO‑S‑S

      Supermarine S300 Vigo (sailcloth strap)

      20 mm

      Maker

      40 mmWhite dialStainless steel Bremont trip-tick case construction with scratch resistant PVD treated case middle

      Attachment
      classic lugs
      Status
      Listed by the maker

    • S300/BK

      Supermarine S300 Supermarine Type 300 Black

      20 mm

      Database

      40 mm2017Black dialSteel

      Attachment
      Strap or bracelet / spring bars
      Style
      diver
      Movement
      Automatic 300m
      Caseback
      Screw steel
      Production
      2017, present
      Status
      Listed in our database, not yet verified

    • S300/BL

      Supermarine S300 Supermarine Type 300 Blue

      20 mm

      Database

      40 mm2017Blue dialSteel

      Attachment
      Strap or bracelet / spring bars
      Style
      diver
      Movement
      Automatic 300m
      Caseback
      Screw steel
      Production
      2017, present
      Status
      Listed in our database, not yet verified

    FAQ

    What lug width does the Bremont Supermarine S300 use?

    The Bremont Supermarine S300 takes a 20 mm strap: all 9 references with a listed width in our database use 20 mm. Check the reference on your case back to be sure. The Bremont Supermarine S300 ref. S300-KAIMU-B, S300-KAIMU-L-S and 5 more take 20 mm (listed by the maker).

    Where do these Bremont Supermarine S300 lug widths come from?

    From our database, which lists 9 Bremont Supermarine S300 references, 9 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 Bremont collections

    All Bremont 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.