Patek Philippe · Nautilus

Strap for Nautilus 3700

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

Integrated bracelet

The Patek Philippe Nautilus 3700/1A 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 diameter40 mm
Reference3700/1A
FamilyNautilus
MovementPatek Philippe caliber 28-255C hours, minutes | date
Year1976 - 1982
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The Nautilus 3700/1A, seen from the bench

The Nautilus 3700/1A, designed by Gérald Genta in 1976, is the emblem of luxury sports watchmaking. Its octagonal porthole case and integrated bracelet represent a masterpiece of watch architecture. This model requires custom strap work exclusively through Atelier Casati Milano to respect its precise proportions and integrated bracelet configuration.

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