Reloj Audemars Piguet Cobra Ref. 5403BC con brazalete de oro blanco de 18 quilates, esfera azul con diamantes, automático de 34 mm, década de 1970

A 1970s Audemars Piguet Cobra Ref. 5403BC in solid 18K white gold, its deep blue sunburst dial set with diamond hour markers and wrapped in one of the maison's most sculptural integrated bracelets. Period Audemars Piguet documentation dated 1976 accompanies the watch.

The Piece

The Cobra belongs to an era when integrated bracelet design was becoming a new language of luxury, yet it approached the idea very differently from the industrial geometry that would later define the Royal Oak. Here the architecture is fluid: broad interwoven links sweep toward the case in a pattern that feels almost braided, recalling braided metalwork, wrapping the wrist in white gold and letting the watch head disappear into the bracelet so naturally that the two appear conceived as a single object. There is no obvious transition between case and bracelet; the whole piece behaves like sculptural jewelry.

Crafted in 18K white gold, Ref. 5403BC combines a substantial precious-metal bracelet with a softly rounded case of approximately 34mm. The proportions are elegant without feeling delicate, the wide bracelet giving far greater visual presence than the case diameter alone suggests. The deep blue sunburst dial shifts subtly with the light; diamond hour markers bring restrained brilliance around the perimeter, slender white-metal hands keep the design clean and minimal, and a framed date aperture at three o'clock adds everyday function without interrupting the balance.

An automatic mechanical movement lets the watch keep the slim, refined profile that makes the Cobra so elegant when worn, beneath a sapphire crystal and secured by an integrated adjustable folding clasp. More fluid and more jewelry-oriented than the Royal Oak, and rooted in the refinement of precious-metal watchmaking, the reference captures a moment when Swiss dress watchmaking, jewelry design and integrated-bracelet architecture were beginning to merge into something entirely new. Founded in Le Brassus in 1875, Audemars Piguet has long treated case, bracelet, dial and movement as a single composition, and the Cobra is among the clearest examples.

Details

• Maker: Audemars Piguet
• Line: Cobra
• Reference: 5403BC
• Era: 1970s
• Origin: Switzerland (Swiss Made)
• Material: 18K white gold case and integrated woven bracelet
• Dial: Deep blue sunburst, diamond hour markers, slender white-metal hands, date at 3 o'clock
• Movement: Automatic mechanical; hours, minutes, date
• Crystal: Sapphire
• Measurements: Case approx. 34mm
• Clasp: Integrated adjustable folding clasp
• Included: Period Audemars Piguet documentation dated 1976
• Proportions: Elegant unisex

Condition

• Good vintage, pre-owned condition, with strong visual character, substantial precious-metal presence and the distinctive bracelet architecture of Ref. 5403BC.
• Case: retains its rounded architecture, with visible signs of age and previous ownership; light scratches, handling marks and surface wear are present.
• Dial: the blue sunburst remains visually striking, with rich tonal variation and strong contrast against the white gold; the diamond markers retain their brilliance and the date window remains cleanly integrated.
• Bracelet: the broad woven construction retains its sculptural texture, with wear consistent with age and previous use.
• Crystal: the sapphire crystal is clear, allowing an unobstructed view of the dial.

Authenticity & Care

Accompanied by period Audemars Piguet documentation dated 1976, consistent with the 1970s production of Ref. 5403BC. Every piece is examined and documented in Japan before dispatch and is offered with the Japonista authenticity guarantee.

Delivery from Japan

Packed by hand in Japan and shipped insured and tracked by EMS or an equivalent express service. Import duties and taxes, where applicable, are payable on arrival. Returns follow our published policy.

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