Bremont Supermarine

Most Bremont Supermarine references take a 22 mm watch strap: 24 of 41. The lug width follows the case size: 40 mm case → 20 mm, 43 mm case → 22 mm and 45 mm case → 22 mm.

Shop 20 mmShop 22 mm

Bremont Supermarine lug width by case size

41 references measured. Updated 2026-10-29.

CaseLug widthReferencesWatch strap attachmentFor example
40 mm20 mm13—S300/BK, S300/BK/BR, S301/BK
43 mm22 mm18—S500BK, S500BKbr, S500BKGN
45 mm22 mm4—S2000, S2000br, S2000Desc
not recorded20 mm · 22 mm on 26—300M, Supermarine 300M Date, Supermarine 300M GMT Ember Red

References that take a different watch strap

Questions about the Bremont Supermarine

Do all Bremont Supermarine case sizes take the same watch strap?

No. The lug width changes with the case size: the 40 mm case takes 20 mm and the 43 mm case takes 22 mm. Check your case diameter before you buy.

Every Bremont Supermarine reference