The $2 Million Watch On Mark Zuckerberg’s Wrist During His AI Medical Research Interview: What It Is

During a filmed episode of the ‘No Priors’ podcast, Meta CEO Mark Zuckerberg and his wife Priscilla Chan discussed Biohub, the medical research initiative funded by the Chan Zuckerberg Initiative that aims to use AI to identify, treat and eradicate human diseases. The conversation was about the future of digital science, but it was the watch on Zuckerberg’s wrist that drew immediate attention from horological experts.

The timepiece was identified as a vintage Rolex Reference 6062, known as the ‘Stelline,’ produced for only a few years around 1950. It is one of just two Rolex models ever fitted with both an automatic triple calendar and an integrated moonphase complication, alongside the Reference 8171, and uses the brand’s calibre 9¾ movement inside a 36mm Oyster case.

Top-tier examples of the Stelline have sold for as much as $2 million at auction. In 2023, a pink gold version fetched 2.2 million Swiss francs, roughly $2.7 million, at Christie’s, while a rarer black-dial variant with diamond hour markers sold for $6.2 million last year, one of the highest prices ever paid for a Rolex at public auction.

Zuckerberg, worth an estimated $200 billion, has quietly built a serious watch collection over the past two years, including a Patek Philippe Reference 5236P shown on Instagram in September 2024, a De Bethune DB25 Starry Varius worth over $80,000, and a Greubel Forsey piece worth more than $900,000 shown in a January 2025 video.

Choosing a decades-old mechanical watch to accompany a discussion about AI-driven medical breakthroughs made for an unusual juxtaposition, one that watch collectors online were quick to point out.