Laco Chronographs

Most Laco Chronographs references take a 20 mm watch strap: 8 of 17. The lug width follows the case size: 42 mm case → 20 mm and 44 mm case → 22 mm.

Shop 18 mmShop 20 mmShop 22 mm

Laco Chronographs lug width by case size

17 references measured. Updated 2026-10-30.

CaseLug widthReferencesWatch strap attachmentFor example
42 mm20 mm · 18 mm on 18—861789, 861915, 861917
44 mm22 mm · 18 mm on 2 · 20 mm on 19—861584, 861585, 861586

References that take a different watch strap

  • 862089: 18 mm, not the 20 mm of most 42 mm cases
  • 861815: 18 mm, not the 22 mm of most 44 mm cases
  • 861878: 18 mm, not the 22 mm of most 44 mm cases
  • 861916: 20 mm, not the 22 mm of most 44 mm cases

Questions about the Laco Chronographs

Do all Laco Chronographs case sizes take the same watch strap?

No. The lug width changes with the case size: the 42 mm case takes 20 mm and the 44 mm case takes 22 mm. Check your case diameter before you buy.