Kollokium Projekt 01

Every Kollokium Projekt 01 reference takes a 20 mm watch strap: all 4 we measured.

Shop 20 mm

Kollokium Projekt 01 lug width by case size

4 references measured. Updated 2026-11-14.

CaseLug widthReferencesWatch strap attachmentFor example
39 mm20 mm1—K,P–n°01-001
not recorded20 mm3—Variant D, Variant F, Variant G1