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

20 mm straps All Frederique Constant

Lug width20 mm

Case diameter43 mm

ReferenceFC-255S5B6

FamilyIndex

CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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Straps for the Index FC-255S5B6

Selected for the 20 mm lug width · workshop selection

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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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only