Rolex Sea-Dweller: Sharon Stone's iconic watch in "Sphere"

In 1998, Sharon Stone wore a Rolex Sea-Dweller 16600 in the sci-fi film Sphere, and everything changed. This unexpected stylistic choice redefined how women wear watches — bold, technical, and no longer just decorative. A new era had begun.

A defining moment in cinema and watchmaking

Directed by Barry Levinson, the film Sphere features Sharon Stone as Dr. Elizabeth Halperin, a scientist and deep-sea specialist. Alongside Dustin Hoffman and Samuel L. Jackson, her character is sent on a covert US Navy mission to investigate a spaceship buried deep beneath the ocean — submerged for over 300 years.

The Sea-Dweller 16600: from tool to statement

To emphasize her character’s diving credentials, the film’s crew chose a bold prop: a Rolex Sea-Dweller 16600 Big Valve. A watch known at the time for its large case and professional capabilities, and yet, it looked perfectly natural on her wrist.

This was more than a costume decision. Stone’s Sea-Dweller challenged the idea that tool watches were only for men. It showed that elegance and technicality could go hand in hand, and marked a turning point in how women viewed mechanical watches.

A technical detail that makes the difference

The 16600 Big Valve features a discreet engraving on the caseback: “Original Gas Escape Valve.” This rare detail points to the helium escape valve on the left side of the case, a feature that distinguishes it from the Rolex Submariner. Built for deep diving, the Sea-Dweller is made for environments where pressure and precision matter most.

Sharon Stone leads a new trend

Following the film’s release, fashion magazines quickly embraced the look. Sharon Stone became a style reference, and others followed. Top models like Elle MacPherson and countless actresses began appearing with oversized mens watches — Rolex Daytona, Omega Speedmaster, GMT-Master — all became part of the feminine wardrobe.

The millennium trend: from dainty to daring

What once seemed like a disruption became a movement. Miniature jewelry watches faded from view, seen as overly conservative. Women wanted boldness, substance, and purpose — and tool watches delivered just that.

Since Sphere, spotting a vintage Sea-Dweller or GMT on the wrist of a female lead or magazine cover has become common. The 21^st century woman’s watch is no longer delicate — it’s powerful, purposeful… and often mechanical.