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Audemars Piguet Cobra - Blue Diamond Dial

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Presenting the Navy Diamond Baby Cobra

The Audemars Piguet Baby Cobra is a definitive relic of the era when the brand dominated the "unibody" jewelry-watch category. While yellow gold was the standard for the 1970s, this B-series example is rendered in solid 18k white gold, offering a much cooler and more industrial aesthetic. The navy blue matte dial provides a deep, saturated contrast to the white gold case, a pairing that is significantly harder to find than the typical silver or champagne variants. It is a configuration that prioritizes color and texture, creating a high-contrast look that feels sharp and contemporary.

High Jewelry Dial Architecture

What elevates this specific reference is the factory diamond-set hour markers. In an era where most dress watches relied on simple printed indices, the use of brilliant-cut diamonds adds a structural depth to the navy dial, catching the light against the flat, matte finish. The 31x32mm "Cobra" silhouette remains one of the most aggressive shapes in the AP archive, featuring a seamless transition from the case to the heavily textured integrated bracelet. Because it utilizes an ultra-thin manual-wind movement, the watch maintains a remarkably low profile despite its significant material density.

Preserved White Gold And Integrated Finish

The 18k white gold case and integrated bracelet are in very good condition, retaining the deep, fabric-like texture that defines this series. The navy blue dial is clean and stable, providing a crisp backdrop for the diamond markers and white gold hands. The integrated bracelet is tight and maintains its original supple feel, currently sized to fit a wrist up to 6.75 inches. Mechanically, the manual-wind movement is running strong after passing our test bench, and at 86.1 grams, the watch has a serious, high-quality weight that confirms its status as a top-tier catalog piece from the early 80s.

A Stealth Wealth Power Statement

This is a watch for the collector who understands the historical importance of Audemars Piguet’s non-sports heritage but wants a piece that flies under the radar. The white gold construction makes it much more discreet than a yellow gold Cobra, while the navy and diamond dial ensures it remains a serious piece of design. It is a heavy, substantial object of luxury that works perfectly as a sophisticated daily outlier or a dedicated formal statement. It represents the peak of AP’s ability to merge high-jewelry materials with avant-garde geometry.

Key Specs
Model: Baby Cobra Year: Late 70s / Early 80s (B-Series) Movement: Manual Case Size: 31x32mm Bezel: 18k WG Bracelet: 18K WG Integrated Dial: Navy Blue Matte with Diamond Hours Wrist Size: 6.5–6.75in Metal: 18K WG Weight: 86.1g SKU: 230
History

The Cobra is one of the most sinuous and distinctive watches in the Audemars Piguet dress catalog — a bracelet watch whose integrated 18-karat gold links undulate in a pattern that evokes, and earns, the name. Produced primarily in the late 1970s through the 1990s, the Cobra houses ultrathin manual-wind movements in cases ranging from 26mm to 35mm.

These are watches that rewarded you for being close to them: the bracelet articulation, the surface contrasts between polished and brushed gold, and the dial finishing are all things a photograph undersells. Reference 5403 in yellow gold and 4239BA with pave diamond dials represent the range from elegant everyday wear to full haute joaillerie. The Cobra is AP at its most purely luxurious — no sport pretense, no complications for their own sake.

Audemars Piguet Cobra - Blue Diamond Dial
Audemars Piguet Cobra - Blue Diamond Dial Sale price$17,500.00 USD

What Our Clients Say About Us

Dan Young
4 months ago

I knew I was gonna like Danny, based on his name, but nothing could’ve prepared me for how great of an experience this was. He had the most beautiful 70s Seamaster Cosmic on his website and I was set to be married 2 days later - I arranged to buy it but before leaving we both realized it needed to be serviced. I panicked, because I was literally buying this for my wedding, and Danny being the legend he is, loaned me a nearly identical Seamaster to make sure I could get through the event Never have I had someone go so above and beyond for me, especially while purchasing one of the lesser priced items in their inventory. He serviced my watch and exchanged it with me after the wedding on a super fast turnaround timeline. I would sincerely recommend you visit this guy, you will not be disappointed Edit: adding a pic of the loaner (two tone) and the owner (crosshair)

Patrick Farella
5 months ago

Great service and shop. Danny and his team were incredibly accommodating, professional, and kind. Great selection of vintage watches. Their store is the hidden gem in the diamond district.

Zee06
2 months ago

This was my first real luxury watch purchase, a Rolex 15200 Date 34mm, I own Tissots and a Laco, but those are entry level luxury watches. I found Danny’s Vintage Watches online, and had great feedback both on Google, Chrono24 and the Reddit watch community. So decided to give him a shot as buying online can be a crap shoot. Ordered Monday night, was at my doorstep Friday morning. Despite the watch being over 30 years old, serial number says it’s from 91, the watch looked new. Didn’t come with box or papers, and was shipped in a plastic sleeve wrapped in bubble wrap. Danny was always available to answer questions. I’ll be buying from Danny again for the next purchase…saw a couple of Speedmasters on his site I liked….

Mohammed Islam
4 months ago

Can't recommend Danny's vintage watches enough!!! My first Omega ever and im in love have been wearing every day since I purchased it. Danny's shop is a must visit if you are in NYC looking for a watch!!!