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Casio · G-Shock 6900

Strap for GD-X6900HT-4 Heathered Red

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-4 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.

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Case diameter58 mm
ReferenceGD-X6900HT-4
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

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The G-Shock 6900 GD-X6900HT-4, seen from the bench

The G-Shock GD-X6900HT-4 features a 57.50mm resin case with a heathered red colorway. This model represents the 6900 collection, embodying 1990s Japanese streetwear aesthetics and extreme durability. The watch employs a non-standard integrated lug attachment, requiring specialized expertise for strap adaptation and customization.

Frequently asked questions

Can I fit a standard strap on the Casio G-Shock 6900 GD-X6900HT-4?

No, the bracelet is integrated into the case. The lugs are not standard and a traditional strap will not attach. That's why I craft the strap bespoke, adapting it to the unique geometry of your case.

How does the bespoke strap service work for this model?

I work exclusively at <a href="/pages/casati-booking">Casati Milano</a>, by appointment only. I take measurements directly from your case, study the resin attachment points and hand-craft the strap for a seamless transition.

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

I prefer black vegetable-tanned Tuscan leather. It dialogues well with the aggression of the resin case and ages with character, developing patina over time. It represents that sartorial awareness this urban instrument deserves.

How long does a well-made strap last?

A strap crafted with quality leather lasts years, depending on how you wear it. Well-treated leather ages beautifully, developing its own story. The key is care: avoid excessive moisture and let it breathe.

Why does the GD-X6900HT-4 deserve a bespoke strap?

Because it's an icon of Japanese streetwear culture, built for extreme durability. A tool watch with this character doesn't need reinvention—it needs that sartorial transition which makes it self-aware, without betraying its urban nature.

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