Frederique Constant · Index
Strap for Index Worldtimer Quartz Stainless Steel / Silver
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
20mm
Lug width20 mm
Case diameter43 mm
ReferenceFC-255S5B6
FamilyIndex
CaseStainless Steel
Straps for the Index FC-255S5B6
Selected for the 20 mm lug width · workshop selection
Vintage Black Calfskin Leather Strap€80
Hammered Calfskin Strap Light Blue€98
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Vintage Olive Green Calf Leather Watch Strap€80
Hammered Black Calfskin Strap — Ecru Stitching€98
The Index FC-255S5B6, seen from the bench
The Frederique Constant Index FC-255S5B6 is part of the brand's classic collection. The watch features a minimalist design with applied indices and a quartz movement. The stainless steel case features a white dial and blued hands.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
