Casio · G-Shock 6900

Strap for DW-6900NB-4 Purple

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

Integrated bracelet

The Casio G-Shock 6900 DW-6900NB-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.

Case diameter53 mm
ReferenceDW-6900NB-4
FamilyG-Shock 6900
MovementCasio caliber 3230 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 DW-6900NB-4, seen from the bench

The DW-6900NB-4 Purple is an iconic G-Shock model featuring a resin case and integrated resin lugs with the characteristic three circular eyes. This modular design demands bespoke customization through Atelier Casati Milano, where craftsmen create tailored strap solutions in Italian Cordura® with Tuscan leather reinforcement, premium NATO regenerated fabric with stainless steel hardware, or suede leather with anti-sweat backing to match the watch's tactical durability and Italian refinement.

Frequently asked questions

Can I fit a standard strap on the Casio G-Shock 6900 DW-6900NB-4?

No, the bracelet is integrated directly into the resin case. The proprietary attachments don't allow standard straps to connect. What I do in the atelier is build a bespoke solution directly on your watch, studying the case interface down to the millimetre.

How does the custom strap work for the G-Shock 6900?

I work exclusively at <a href="/pages/casati-booking">Casati Milano</a>, by appointment only. You bring the watch, I take measurements directly from the case and your wrist, then craft the strap to commission. It's precision work that needs time and the atelier space.

What leather do you recommend for this model?

I prefer Tuscan leather with anti-sweat backing: the G-Shock was born as a sports and tactical tool, and Tuscan leather ages beautifully while keeping that raw character. If you want something even more robust, Italian military Cordura with leather reinforcements matches the unbreakable DNA of the 6900.

How long does a well-made strap last?

It depends on use and care. A good leather strap lives 5–7 years of daily wear if you treat it with respect: let it air-dry after sweat, avoid prolonged immersion even though the G-Shock is water-resistant. Leather ages better if you keep it as clean as you can.

Why has the 6900 design stayed the same since 1995?

Because it works. That structure with the three circular indices and modular architecture isn't nostalgia, it's pure logic: it protects the dial, aids readability, distributes impact. I've seen these cases survive drops that would have destroyed any other watch. It's technical efficiency, not sentiment.

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