Frederique Constant · Index

Strap for Index Worldtimer Quartz Rose Gold / Silver

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter43 mm
ReferenceFC-255V6B4
FamilyIndex
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the Index FC-255V6B4

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Index FC-255V6B4, seen from the bench

The Frederique Constant Index represents a classic offering from the Swiss brand in the traditional wristwatch segment. The FC-255V6B4 model features a minimalist design with hour markers indicated by indices. The construction follows the canons of the Genevan manufacture with particular attention to the readability of the dial.

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