Graham · Chronofighter

Strap for Chronofighter Oversize Superlight

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width24 mm
Case diameter47 mm
Reference2CCBK.B15A
FamilyChronofighter
MovementGraham caliber G1747 Hours, Minutes, Small Seconds | Date | Chronograph
CaseCarbon

Spring bar

Swiss Standard universal spring bars

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

Straps for the Chronofighter 2CCBK.B15A

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Chronofighter 2CCBK.B15A, seen from the bench

The Graham Chronofighter Oversize Superlight model 2CCBK.B15A features a 47mm carbon fiber case housing the Graham caliber G1747 movement. This chronograph displays hours, minutes, small seconds, date, and full chronograph function. The 24mm lug width is the standard construction measure for this Chronofighter family line, designed to maintain proper visual proportions and secure fitment without tolerance adjustment.

Frequently asked questions

What is the lug width of the Graham Chronofighter 2CCBK.B15A?

The lug width of the Graham Chronofighter 2CCBK.B15A is 24mm. This dimension is the constructive standard of the Chronofighter line and is essential to ensure proper strap seating between the case lugs. A strap manufactured for this width will fit with precision, without loosening or anomalous compression.

Which strap is most suitable for the Graham Chronofighter 2CCBK.B15A?

For the Chronofighter 2CCBK.B15A, a black alligator strap or vegetable-tanned calf leather represents the highest-quality choices. Alligator creates a tactile contrast against the carbon case, while calf leather develops a patina over time that enhances the watch's character. For sports use, a polyamide NATO offers durability and water resistance. Rubber is ideal for high sun-exposure environments.

How do you change the strap on a Graham Chronofighter watch?

To change the strap on a Graham Chronofighter, you will need a spring bar removal tool. Insert the tool into the gap between the lug and strap, gently compressing the internal spring until the spring bar releases. Once the spring bar is extracted, the strap disengages from the lug. The reverse operation allows the new strap to be seated. The 2CCBK.B15A, having 24mm lugs, is compatible with any strap manufactured for this width.

Is an alligator leather strap compatible with the 2CCBK.B15A?

Yes, any alligator leather strap manufactured for the 24mm lug width is fully compatible with the Graham Chronofighter 2CCBK.B15A. Alligator represents a particularly enhancing aesthetic choice for this carbon case, creating a dialogue between the natural grain of the leather and the opaque materiality of the case. Alligator durability is remarkable, with an operational lifespan exceeding ten years with ordinary maintenance.

How long does a leather strap last on a watch like the 2CCBK.B15A?

The lifespan of a leather strap depends on the tanning method and usage conditions. A calf leather strap tanned using vegetable methods can last 8–12 years if maintained in non-excessively humid environments and protected from prolonged sun exposure. Alligator, thanks to the greater fibre density, frequently exceeds 10 years. Regular perspiration and water exposure accelerate degradation; for this reason, in humid or sports environments, NATO or rubber represent functionally longer-lasting choices.

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