Casio · G-Shock 6900

Strap for GD-X6900HT-9 Heathered Yellow

Integrated bracelet: measurements, the most common questions, and the way to a made-to-measure strap.

Integrated bracelet

The Casio G-Shock 6900 GD-X6900HT-9 is designed with a bracelet integrated into the case. For a compatible made-to-measure strap, the Casati Milano atelier builds it on your watch.

Case diameter58 mm
ReferenceGD-X6900HT-9
FamilyG-Shock 6900
MovementCasio caliber 3240 perpetual calendar | Chronograph, countdown | alarm
CaseResin

Spring bar

Swiss Standard universal spring bars

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

The G-Shock 6900 GD-X6900HT-9, seen from the bench

The G-Shock 6900 from the GD-X6900HT-9 series is equipped with the Casio 3240 caliber with chronograph, countdown and alarm functions. The movement includes a perpetual calendar and multi-function digital display. The resin case follows the distinctive G-Shock line design with shock-resistant construction.

Frequently asked questions

Can you fit a standard strap on the Casio G-Shock 6900 GD-X6900HT-9?

No, the bracelet is integrated into the case. The attachment is proprietary Casio, so a standard strap won't fit. I've seen many try—it simply doesn't work. At the atelier, I craft a strap entirely bespoke, directly on your watch, solving the technical constraint with a custom interface.

How exactly does the bespoke strap work for this model?

I work exclusively at <a href="/pages/casati-booking">Casati Milano</a>, by appointment only. I hold the watch in my hands, study the geometry of the integrated lugs, and create a brushed stainless steel interface that fits the case perfectly. Then I handstitch the strap in leather or technical material. It's pure craftsmanship, irreplaceable.

Which leather do you recommend for the G-Shock 6900?

I prefer vegetable-tanned Tuscan leather: this watch was born to endure, not to seduce. A robust hide that ages beautifully and develops patina, honouring the Japanese spirit of functionality without compromising the tactile refinement it deserves. For more demanding use, I'd suggest Italian military suede—textured, understated, as indestructible as the watch itself.

How long does a well-made strap last?

With quality leather and proper stitching, expect 4-5 years of solid wear, often longer. I've had clients return after six years still delighted. The leather ages, softens, gathers stories—that's beauty. Minimal care—a bit of neutral cream every 6-8 months—extends the life considerably.

Why does the 6900 module truly deserve a bespoke strap?

Because since 1983 it's the most robust architecture Casio has ever engineered. Triple sensor, sculpted case, resistance you can rely on completely. Yet it arrived in rubber, without air. A hand-stitched strap in noble leather transforms the indestructible into something you can wear to dinner. It honours the watch, elevates it.

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