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Cartier Clé de Cartier

Most Cartier Clé de Cartier references take a 18 mm watch strap: 12 of 15.

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Cartier Clé de Cartier lug width by case size

15 references measured; 15 more have an integrated bracelet. Updated 2026-10-29.

CaseLug widthReferencesWatch strap attachmentFor example
35 mm18 mm · 20 mm on 17—W2CL0003, WJCL0006, WJCL0036
40 mm18 mm · 20 mm on 13—W2CL0002, WSCL0007
41 mm18 mm · 20 mm on 15—HPI00937, HPI00938, HPI00946

References that take a different watch strap

  • WJCL0018: 20 mm, not the 18 mm of most 35 mm cases
  • WGCL0006: 20 mm, not the 18 mm of most 40 mm cases
  • WHCL0003: 20 mm, not the 18 mm of most 41 mm cases

Every Cartier Clé de Cartier reference

Other Cartier families

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

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