Patek Philippe Nautilus 39 mm 3712/1A-001 Steel Blue

The Patek Philippe Nautilus is one of the most celebrated luxury sports watches ever conceived, designed by the legendary Gerald Genta and introduced in 1976. Its instantly recognizable porthole-shaped case, horizontally embossed dial, and fully integrated bracelet redefined what a high-end steel sports watch could be. Decades on, the Nautilus family commands extraordinary collector attention worldwide, and individual references that pushed the design's boundaries have become particularly treasured.

The Nautilus 3712/1A-001 represents a remarkable chapter in that story. Produced in a 39mm stainless steel round case with a screw-down crown, this reference retained the classic Nautilus silhouette while expanding its complication suite well beyond time-only display. The domed stainless steel bezel and horizontally grooved blue dial — adorned with clean index markers — give the watch its signature sporty-yet-dressy character that transitions effortlessly from boardroom to weekend.

What truly distinguishes reference 3712/1A-001 from its Nautilus siblings is the ensemble of complications elegantly laid out across the blue dial: moon phase, date, and power reserve indication. These additions transform the watch into a sophisticated horological instrument without sacrificing the clean, legible aesthetic that defines the Nautilus line. The moon phase display in particular lends a poetic, almost romantic dimension that is rare in a sports-oriented reference.

The integrated stainless steel bracelet is among the most refined in the industry, engineered to flow seamlessly from the lugs and sit flush against the wrist. Patek Philippe's finishing standards — alternating brushed and polished surfaces — are evident throughout, delivering a wrist presence that is both assertive and deeply refined. At 39mm, the case offers a versatile fit that suits a wide range of wrist sizes without ever feeling oversized.

This example is offered by Bizak & Co. as a certified authentic pre-owned timepiece. At Bizak & Co., every watch undergoes rigorous authentication to ensure buyers receive exactly what is represented. The Nautilus 3712/1A-001 is a discontinued reference with a devoted collector following, meaning opportunities to acquire one in this quality are increasingly rare. We invite you to contact our team directly to discuss this reference, arrange inspection details, or explore financing options — your next great watch acquisition begins here.