Blancpain Le Brassus

Most Blancpain Le Brassus references take a 23 mm watch strap: 6 of 10. The lug width follows the case size: 42 mm case → 22 mm and 45 mm case → 23 mm.

Shop 22 mm

Blancpain Le Brassus lug width by case size

10 references measured. Updated 2026-10-29.

CaseLug widthReferencesWatch strap attachmentFor example
42 mm22 mm3—4225-3642-55B, 4286P-3642-55B, 4289Q-3642-55B
44 mm22 mm1—00225-3434-53B
45 mm23 mm5—00232-3631-55B, 00235-3631-55B, 0233-3634-55B
46 mm23 mm1—0233-6232A-55B

Other Blancpain families

Inside each one the lug width often changes: it is the reference that decides.

All Blancpain families → · Why the size changes inside a family →