Patek Philippe
Nautilus 3700 Jumbo
3700/1A
The steel sport watch that redefined what Patek Philippe could be.
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Overview
The Patek Philippe Nautilus 3700/1A, widely known as the "Jumbo," stands as one of the most consequential sport watches of the twentieth century. Introduced in 1976 and produced through 1990, it brought the Geneva manufacture into the realm of integrated-bracelet, stainless-steel sport watchmaking at a moment when the category was being defined. Its 42 mm case, porthole-inspired octagonal bezel, and horizontally embossed blue-black dial remain among the most recognisable signatures in the collector world.
History
The reference 3700 was conceived by Gérald Genta, whose brief was to create a luxury sport watch in steel — a material Patek Philippe had rarely prioritised — capable of commanding serious attention alongside the house's precious-metal dress pieces. Launched at the Basel fair in 1976, the design drew on the aesthetic of a ship's porthole, with its rounded octagonal bezel secured by exposed screws. The 3700/1A designation identifies the stainless-steel variant, which became the definitive expression of the line during its roughly fourteen-year production run. By the time it was retired in 1990, it had established a template that the Nautilus family continues to follow to this day.
Notable points
- Designed by Gérald Genta, the same hand behind the Audemars Piguet Royal Oak, making the 3700 a sibling icon of 1970s integrated-bracelet watchmaking.
- The Cal. 28-255 C is an ultra-thin automatic movement, a deliberate choice that allowed the case to maintain its elegantly slim profile despite the 42 mm diameter.
- The blue-black horizontally embossed dial — often described as 'Clous de Paris' in texture — changes character markedly under different lighting conditions, a quality that has long fascinated collectors.
- At 42 mm, the reference earned the 'Jumbo' nickname from collectors, distinguishing it from later, smaller Nautilus references and cementing its status as the original large-format expression of the line.
- Production spanned from 1976 to 1990, giving the reference a lifespan long enough to accumulate meaningful variation in dial and bracelet details — a fact that sustains active scholarly interest among specialists.
Specifications
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